{"id":9789,"date":"2020-10-01T18:54:17","date_gmt":"2020-10-01T18:54:17","guid":{"rendered":"https:\/\/betterme.world\/articles\/?p=9789"},"modified":"2026-04-22T06:46:24","modified_gmt":"2026-04-22T06:46:24","slug":"fasting-for-3-days","status":"publish","type":"post","link":"https:\/\/betterme.world\/articles\/fasting-for-3-days\/","title":{"rendered":"3-Day Fast (72-Hour Fast): Benefits, Dangers &#038; How to Do It"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#What_Is_a_3-Day_Fast\" >What Is a 3-Day Fast?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#What_Are_the_Benefits_of_Fasting_for_3_Days\" >What Are the Benefits of Fasting for 3 Days?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#What_Happens_to_Your_Body_The_72-Hour_Fast_Stages\" >What Happens to Your Body: The 72-Hour Fast Stages<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#How_to_Do_a_3-Day_Fast_A_Simple_72-Hour_Protocol\" >How to Do a 3-Day Fast: A Simple 72-Hour Protocol<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#Can_You_Take_Supplements_During_a_3-Day_Fast\" >Can You Take Supplements During a 3-Day Fast?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#How_to_Break_a_3-Day_Fast_The_Right_Way_to_Refeed\" >How to Break a 3-Day Fast: The Right Way to Refeed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#How_Much_Weight_Can_You_Lose_Fasting_for_3_Days\" >How Much Weight Can You Lose Fasting for 3 Days?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#Is_a_3-Day_Fast_Enough_for_Autophagy\" >Is a 3-Day Fast Enough for Autophagy?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#What_Are_the_Side_Effects_of_Fasting_for_3_Days\" >What Are the Side Effects of Fasting for 3 Days?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#Nutritional_Considerations\" >Nutritional Considerations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#Minimal_Fat_Loss\" >Minimal Fat Loss<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#May_Lead_to_Dehydration\" >May Lead to Dehydration<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#May_Cause_Dizziness\" >May Cause Dizziness<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#May_Lead_to_Electrolyte_Imbalance\" >May Lead to Electrolyte Imbalance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#Potential_for_Disordered_Eating_Patterns\" >Potential for Disordered Eating Patterns<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#Sleep_Disturbances\" >Sleep Disturbances<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#Who_Should_NOT_Fast\" >Who Should NOT Fast?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#What_Can_You_Expect_When_Fasting_for_3_Days\" >What Can You Expect When Fasting for 3 Days?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#What_Are_Some_Healthier_Alternatives_to_Fasting_for_3_Days\" >What Are Some Healthier Alternatives to Fasting for 3 Days?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#Intermittent_Fasting\" >Intermittent Fasting<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#Modified_Fasting\" >Modified Fasting<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#Calorie-Restricted_Eating\" >Calorie-Restricted Eating<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#Clean_Up_Your_Diet_and_Exercise\" >Clean Up Your Diet and Exercise<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#Is_it_appropriate_to_fast_for_3_days\" >Is it appropriate to fast for 3 days?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#Do_people_have_stomach_discomfort_when_fasting_for_3_days\" >Do people have stomach discomfort when fasting for 3 days?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#What_happens_after_3_days_of_fasting\" >What happens after 3 days of fasting?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#How_many_days_is_it_OK_to_fast\" >How many days is it OK to fast?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#The_Bottom_Line\" >The Bottom Line<\/a><\/li><\/ul><\/nav><\/div>\n<p><span style=\"font-weight: 400;\">Fasting for 3 days, also known as a 72-hour fast, involves abstaining from all food and calorie-containing beverages for three full days. During a 72-hour fast, you consume only water or other non-caloric drinks. This practice shifts the body&#8217;s primary energy source from dietary carbohydrates to stored fat. While many people explore a 3-day fast for potential metabolic support or cellular recycling, it is an advanced practice that requires careful preparation, electrolyte management, and a gradual re-feeding process to support the body safely.<\/span><\/p>\n<p><span data-sheets-root=\"1\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;&lt;a href=&quot;&quot;https:\/\/quiz.betterme.world\/en\/first-page-generated?flow=1443&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=fasting_for_3_days&quot;&quot; target=&quot;_blank&quot;&gt;&lt;video autoplay=&quot;autoplay&quot; loop=&quot;loop&quot; muted=&quot;muted&quot; playsinline=&quot;playsinline&quot; width=&quot;777&quot;&gt;&lt;source src=&quot;&quot;https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2021\/02\/ezgif.com-gif-to-mp4.mp4&quot;&quot; type=&quot;video\/mp4&quot; \/&gt;&lt;\/video&gt;&lt;\/a&gt;&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:256,&quot;11&quot;:3}\" data-sheets-formula=\"=replace(R[-12]C[0],SEARCH(&quot;LINK TO QUIZ&quot;,R[-12]C[0]),LEN(&quot;LINK TO QUIZ&quot;),R8C[0])\"><a href=\"https:\/\/quiz.betterme.world\/en\/first-page-generated?flow=1443&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=fasting_for_3_days\" target=\"_blank\"><video autoplay=\"autoplay\" loop=\"loop\" muted=\"muted\" playsinline=\"playsinline\" width=\"777\"><source src=\"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2021\/02\/ezgif.com-gif-to-mp4.mp4\" type=\"video\/mp4\" \/><\/video><\/a><\/span><\/p>\n<p><span style=\"font-weight: 400;\">Fasting is a practice that has been part of the human experience for a very long time. Today, many people abstain from food and drink (or both) for health, ritualistic, religious, or ethical reasons.\u00a0 While short fasts are quite popular, longer or prolonged fasts have started gaining more attention, with people wondering if they may be a good fit for their lifestyle.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Fasting for 3 days is one such example of prolonged fasting. Yet, extended fasts significantly increase health risks and require ongoing medical supervision<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you are curious to know what a 3-day fast is, or what the effects, benefits, and risks of fasting for three days are, this guide will provide you with the information you need. Keep reading to learn more about the benefits, risks, and practical steps involved in a 72-hour fast.<\/span><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"What_Is_a_3-Day_Fast\"><\/span><b>What Is a 3-Day Fast?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Also known as a 72-hour water fast, a 3-day fast is the practice of consuming only non-caloric liquids for three days. People who participate in a 72-hour fast abstain from eating any food for the entire duration. They also do not consume any calories from drinks, instead they consume liquids like water, black coffee, or plain tea for 72 hours.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">While a 72-hour water fast is relatively common among those experienced with fasting, some people choose to explore modified fasting, where a very small number of calories are consumed, or juice fasting. A true 3-day fast, however, means strictly zero calories. During extended fasts, the body increasingly turns to protein (including muscle) for energy as fat reserves become more limited (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC12736288\/\"><span style=\"font-weight: 400;\">1<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Extended fasts carry significantly increased health risks and are only considered under close medical supervision. The body undergoes major shifts in hydration, electrolyte balance, and energy metabolism during this time (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11494232\/\"><span style=\"font-weight: 400;\">1<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><i><span style=\"font-weight: 400;\">A 3-day fast is a significant undertaking that affects individuals very differently. Before attempting any extended fast, consulting with a healthcare provider is strongly advisable\u2014particularly for anyone with an existing health condition, who is on medication, or who has a history of disordered eating patterns.<\/span><\/i><\/p>\n<p><strong>Whether you\u2019re a workout beast or just a beginner making your first foray into the world of fitness and dieting \u2013 BetterMe has a lot to offer to both newbies and experts! <a href=\"https:\/\/quiz.betterme.world\/first-page-generated-gender?flow=2273&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=Fasting_For_3_Days\">Install the app and experience the versatility first-hand!<\/a><\/strong><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"What_Are_the_Benefits_of_Fasting_for_3_Days\"><\/span><b>What Are the Benefits of Fasting for 3 Days?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">There may be some benefits of a 72-hour fast, but it should be noted that most available research on the benefits of water fasting has been conducted on animal models and not humans. The potential benefits of fasting for 3 days can include:<\/span><\/p>\n<p><b>May support cellular processes<\/b><\/p>\n<p><span style=\"font-weight: 400;\">A 2023 review highlights that fasting and caloric restriction may activate autophagy-related pathways. Autophagy (meaning self-eating) is a process where the body breaks down old cells to reuse and repurpose as new cells (<\/span><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2161831323013443\"><span style=\"font-weight: 400;\">2<\/span><\/a><span style=\"font-weight: 400;\">). It is a recycling system that cleans out damaged parts of a cell (or the whole cell) to make newer, healthier cells that work more effectively.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Animal studies have explored associations between autophagy and various cellular processes, though human research on autophagy specifically linked to fasting is still emerging. Some animal studies suggest that autophagy may support the body&#8217;s natural inflammatory responses (<\/span><a href=\"https:\/\/academic.oup.com\/ibdjournal\/article\/32\/3\/562\/8416650\"><span style=\"font-weight: 400;\">3<\/span><\/a><span style=\"font-weight: 400;\">). This process has also been found to be quite beneficial for liver function. Autophagy is implicated in numerous liver functions and, according to emerging research, may play a role in supporting overall liver health (<\/span><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2211383521002720\"><span style=\"font-weight: 400;\">4<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><b>May support insulin and leptin sensitivity<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Leptin is your body\u2019s satiety hormone. This hormone reduces your appetite and makes you feel full (<\/span><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0026049524002816\"><span style=\"font-weight: 400;\">5<\/span><\/a><span style=\"font-weight: 400;\">). At the same time, insulin helps regulate blood sugar levels and excess glucose for energy to be used by the body (<\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK525983\/\"><span style=\"font-weight: 400;\">6<\/span><\/a><span style=\"font-weight: 400;\">). According to research, fasting makes the body more sensitive to these two hormones (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC12736288\/\"><span style=\"font-weight: 400;\">1<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Increased sensitivity means both leptin and insulin work more efficiently in their respective functions in the body. Better satiety cues can help you manage your daily intake (<\/span><a href=\"https:\/\/www.frontiersin.org\/journals\/nutrition\/articles\/10.3389\/fnut.2022.1002619\/full\"><span style=\"font-weight: 400;\">7<\/span><\/a><span style=\"font-weight: 400;\">), while better blood sugar control means the body can manage energy storage more effectively (<\/span><a href=\"https:\/\/www.primescholars.com\/articles\/maintaining-energy-balance-through-blood-sugar-awareness.pdf\"><span style=\"font-weight: 400;\">8<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><a href=\"https:\/\/quiz.betterme.world\/en\/first-page-generated?flow=1443&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=fasting_for_3_days\"><img decoding=\"async\" class=\"aligncenter wp-image-30039 size-large\" src=\"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2023\/10\/8_1-1.png\" alt=\"fasting for 3 days\" \/>\u00a0<\/a><\/p>\n<p><b>May support long-term wellness<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Prolonged fasting may trigger autophagy, which supports cellular health. One study found that intermittent or periodic fasting in rodents helps protect them against various cellular and metabolic issues (<\/span><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S1568163718301478\"><span style=\"font-weight: 400;\">2<\/span><\/a><span style=\"font-weight: 400;\">). It is important to note that these are animal models only.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Some research has explored associations between fasting and various metabolic and inflammatory markers in humans (<\/span><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1568163725001436\"><span style=\"font-weight: 400;\">9<\/span><\/a><span style=\"font-weight: 400;\">), though outcomes vary significantly. Another recent study showed that prolonged fasting can reduce oxidative damage and support the body&#8217;s natural inflammatory responses. Oxidative damage affects cells, proteins, and DNA, so reducing it can be a positive step for long-term wellness (<\/span><a href=\"https:\/\/www.mdpi.com\/2076-3921\/14\/3\/269\"><span style=\"font-weight: 400;\">10<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><b>May support cholesterol levels and reduce triglycerides<\/b><\/p>\n<p><span style=\"font-weight: 400;\">A clinical trial of 30\u201345 healthy adults found that a 5-day water-only fast reduced blood pressure, insulin levels, and body weight. It also caused changes in blood lipids, including increases in total cholesterol and LDL cholesterol, while triglycerides showed mixed responses. In addition, the fast temporarily increased growth hormone levels and altered blood markers such as hemoglobin and red blood cell counts.(<\/span><a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/ctm2.502\"><span style=\"font-weight: 400;\">11<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">HDL cholesterol helps maintain normal cholesterol levels in the body by absorbing the excess and taking it to the liver, where it is then flushed out. Elevated triglyceride levels are commonly associated with increased cardiovascular risk. Managing these levels through diet and lifestyle can support overall heart health (<\/span><a href=\"https:\/\/www.cdc.gov\/cholesterol\/about\/ldl-and-hdl-cholesterol-and-triglycerides.html\"><span style=\"font-weight: 400;\">12<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><b>May support cardiovascular function<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Clinically supervised water fasts that last for up to two weeks have been linked to improved cardiovascular markers (<\/span><a href=\"https:\/\/www.mdpi.com\/2072-6643\/14\/20\/4313\"><span style=\"font-weight: 400;\">13<\/span><\/a><span style=\"font-weight: 400;\">). This is further associated with the fact that you drink more water and do not consume salt when on a water fast. However, it should be noted that fasting for three days alone may not lead to significant long-term cardiovascular changes, as this is often observed in longer, medically supervised environments.<\/span><\/p>\n<p><b>May support specific medical experiences<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Some preliminary research has explored associations between fasting and chemotherapy tolerance (<\/span><a href=\"https:\/\/www.mdpi.com\/2072-6643\/18\/7\/1035\"><span style=\"font-weight: 400;\">14<\/span><\/a><span style=\"font-weight: 400;\">). These findings are early-stage and should always be discussed with an oncologist. It is important to approach any dietary changes during medical treatment with extreme caution and professional guidance.<\/span><\/p>\n<p><i style=\"font-size: 16px;\"><strong>Read more: <\/strong><\/i><a style=\"font-size: 16px;\" href=\"https:\/\/betterme.world\/articles\/green-tea-intermittent-fasting\/\"><i>Green Tea Intermittent Fasting: Benefits and Side Effects<\/i><\/a><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"What_Happens_to_Your_Body_The_72-Hour_Fast_Stages\"><\/span><b>What Happens to Your Body: The 72-Hour Fast Stages<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">If you are wondering what to expect, understanding the 72 hour fast stages can help you navigate the experience. When you stop eating, your body goes through a series of metabolic shifts to maintain energy.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Research suggests that the body transitions from burning glucose to burning fat, a process that takes time and can cause temporary discomfort (<\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534877\/\"><span style=\"font-weight: 400;\">15<\/span><\/a><span style=\"font-weight: 400;\">). Many people report feeling hungry and tired initially, followed by a shift in energy levels.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Here is a general timeline table of the 72 hour fast stages (<\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534877\/\"><span style=\"font-weight: 400;\">15<\/span><\/a><span style=\"font-weight: 400;\">):<\/span><\/p>\n\t\t\t\t\t\t<div class=\"wpsm-comptable-wrap\">\n\t\t\t\t<table id=\"wpsm-table-1011\" class=\"wpsm-comptable \">\n\t\t\t\t\t\t\t\t\t<thead class=\"wpsm-thead wpsm-thead-default\">\n\t\t\t\t\t\t<tr>\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th>Timeframe<\/th>\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th>What\u2019s Happening in the Body<\/th>\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th>Common Physical Changes<\/th>\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t<\/thead>\n\t\t\t\t\t<tbody class=\"wpsm-tbody\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tHour 0\u201312\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tThe body burns stored glycogen for energy. Blood sugar drops slightly as insulin levels fall.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tHunger cues peak, and you may experience mild cravings or stomach rumbling.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tHour 12\u201324\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tGlycogen is largely depleted. The body begins transitioning to fat burning, and ketones begin forming.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tEnergy levels may dip. You might feel fatigued, cold, or experience a mild headache.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tHour 24\u201348\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tKetosis deepens as the body relies on fat for fuel.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tMany people report reduced hunger. Fatigue and headaches are common as the body adjusts.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tHour 48\u201372\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tDeeper ketosis is achieved. Autophagy processes are believed to be underway in some cells.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tSome people report mental clarity, though physical energy is often lower.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t\t<\/tbody>\n\t\t\t\t<\/table>\n\t\t\t<\/div>\n\t\t\n<p><span style=\"font-weight: 400;\">During a 72 hour water fast, these stages can vary greatly depending on your baseline diet, activity level, and individual metabolism.<\/span><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"How_to_Do_a_3-Day_Fast_A_Simple_72-Hour_Protocol\"><\/span><b>How to Do a 3-Day Fast: A Simple 72-Hour Protocol<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">If you and your healthcare provider decide this is appropriate for you, following a structured 72 hour fast protocol can make the experience smoother. A 3 day fast requires preparation, mindful hydration, and a lot of rest.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Preparation in the days before your fast is crucial. Gradually reducing your food intake, particularly refined carbohydrates and sugars, can help ease the transition into ketosis. Increasing your hydration and consulting a healthcare provider are the first steps.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In clinical studies, individuals drink according to thirst\u2014responding to natural hydration cues rather than following a fixed daily target (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11494232\/\"><span style=\"font-weight: 400;\">16<\/span><\/a><span style=\"font-weight: 400;\">). You should prioritize rest and light activity, such as gentle stretching or walking, rather than intense workouts. Managing hunger on days 1 and 2 is usually the biggest challenge for those attempting a 72 hour fast.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Here is a simple 3-day protocol table:<\/span><\/p>\n\t\t\t\t\t\t<div class=\"wpsm-comptable-wrap\">\n\t\t\t\t<table id=\"wpsm-table-1012\" class=\"wpsm-comptable \">\n\t\t\t\t\t\t\t\t\t<thead class=\"wpsm-thead wpsm-thead-default\">\n\t\t\t\t\t\t<tr>\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th>Day<\/th>\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th>Focus<\/th>\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th>Practical Guidance<\/th>\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t<\/thead>\n\t\t\t\t\t<tbody class=\"wpsm-tbody\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tPrep Day\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tEasing in\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tEat smaller, nutrient-dense meals. Reduce carbs and increase water intake.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tDay 1\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tHydration and distraction\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tDrink plenty of water. Keep busy with light, low-energy tasks to distract from hunger.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tDay 2\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tRest and electrolyte awareness\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tListen to your body. Rest as much as possible. If hunger spikes, drink water or plain herbal tea.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tDay 3\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tMindful observation\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tNote your energy levels. Keep physical exertion to an absolute minimum. Prepare for the re-feeding phase.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t\t<\/tbody>\n\t\t\t\t<\/table>\n\t\t\t<\/div>\n\t\t\n<p><i><span style=\"font-weight: 400;\">A 3-day fast is a significant undertaking that affects individuals very differently. Before attempting any extended fast, consulting with a healthcare provider is strongly advisable\u2014particularly for anyone with an existing health condition, who is on medication, or who has a history of disordered eating patterns.<\/span><\/i><\/p>\n<p><a href=\"https:\/\/quiz.betterme.world\/en\/first-page-generated?flow=1443&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=fasting_for_3_days\"><img decoding=\"async\" class=\"aligncenter wp-image-30039 size-large\" src=\"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2023\/10\/6_1.png\" alt=\"fasting for 3 days\" \/>\u00a0<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Can_You_Take_Supplements_During_a_3-Day_Fast\"><\/span><b>Can You Take Supplements During a 3-Day Fast?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">When researching 72 hour fast supplements, many people wonder what they can consume without breaking their fast. The general rule of a water fast is to consume zero calories, but electrolyte management is a key consideration for extended fasting.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Some people who follow extended fasts choose to take specific supplements that are generally considered not to break a water fast. These include plain electrolyte powders with no calories or sweeteners, as well as unflavored sodium, potassium, and magnesium. Replenishing these minerals can help ease some of the discomfort associated with the early stages of fasting.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">On the other hand, supplements that break a fast include most tablet vitamins, which often contain small amounts of calories or fillers. Protein powders, gummy vitamins, and any flavored drinks will also break the fast and interrupt the metabolic processes you are trying to achieve.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The practical dilemma is that some people choose to add electrolytes to manage the physical adjustment on days 1 and 2. Always check with a healthcare provider before adding supplements during extended fasting, as individual needs for sodium and potassium can vary widely.<\/span><\/p>\n<p><strong>Whether you\u2019re looking to simply pep up your fitness routine, jazz up your diet with mouth-watering low-calorie recipes or want to get your act together and significantly drop that number on your scale \u2013 BetterMe: Health Coaching app has got you covered! <a href=\"https:\/\/quiz.betterme.world\/first-page-generated-gender?flow=2273&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=Fasting_For_3_Days\">Improve your body and revamp your life!<\/a><\/strong><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"How_to_Break_a_3-Day_Fast_The_Right_Way_to_Refeed\"><\/span><b>How to Break a 3-Day Fast: The Right Way to Refeed<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Knowing the best way to break a 72 hour fast is just as important as the fast itself. After 72 hours without food, your digestive system has rested and needs to be reactivated gradually. Eating a large, heavy meal immediately can cause severe digestive discomfort and other serious issues.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A condition known as refeeding syndrome is a serious condition that can occur when nutrition is reintroduced too quickly after a period of malnourishment (<\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK564513\/\"><span style=\"font-weight: 400;\">17<\/span><\/a><span style=\"font-weight: 400;\">). To avoid overwhelming your system, you must start with small, easily digestible portions.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">On day 1 after the fast, prioritize liquids first. Diluted juices, bone broth, and plain vegetable broth are gentle on the stomach.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">On day 2, you can introduce soft, easily digestible foods such as cooked vegetables and small amounts of fruit.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">By day 3, you can slowly reintroduce protein and small amounts of complex grains, monitoring how your body feels after each meal.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Here is a re-feeding timeline table:<\/span><\/p>\n\t\t\t\t\t\t<div class=\"wpsm-comptable-wrap\">\n\t\t\t\t<table id=\"wpsm-table-1013\" class=\"wpsm-comptable \">\n\t\t\t\t\t\t\t\t\t<thead class=\"wpsm-thead wpsm-thead-default\">\n\t\t\t\t\t\t<tr>\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th>Day After Fast<\/th>\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th>Recommended Foods<\/th>\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th>Foods to Avoid<\/th>\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t<\/thead>\n\t\t\t\t\t<tbody class=\"wpsm-tbody\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tDay 1\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tBone broth, vegetable broth, diluted juices\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tSolid foods, heavy proteins, dairy, raw vegetables\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tDay 2\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tSteamed vegetables, small portions of fruit, light soups\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tHeavy meats, fried foods, processed carbohydrates\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tDay 3\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tLean proteins, small amounts of grains, healthy fats\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tVery large meals, highly processed foods, excess sugar\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t\t<\/tbody>\n\t\t\t\t<\/table>\n\t\t\t<\/div>\n\t\t\n<p><span style=\"font-weight: 400;\">Taking your time during the re-feeding phase ensures that you properly digest your food and ease your body back into its normal routine.<\/span><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"How_Much_Weight_Can_You_Lose_Fasting_for_3_Days\"><\/span><b>How Much Weight Can You Lose Fasting for 3 Days?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Not much. In fact, you will not lose any excess fat after a 3 day fast. Many people who are looking to shed a few extra pounds may look at a 72 hour fast as a quick shortcut. Unfortunately, this is not an effective long-term strategy for fat loss. Research on prolonged fasting has shown that any weight loss during this time is generally from water, carbs, waste from prior meals, and even a small amount of muscle mass, but not body fat (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11494232\/\"><span style=\"font-weight: 400;\">16<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you want to manage your weight, you need patience and certainly more than three days. For long-term, sustainable results, you will need to consider a balanced dietary approach, eat nutritious meals, incorporate regular movement, and stay consistent over time.<\/span><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Is_a_3-Day_Fast_Enough_for_Autophagy\"><\/span><b>Is a 3-Day Fast Enough for Autophagy?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">If autophagy is your goal, a three-day fast may be more than enough time to initiate the process. Autophagy is the body&#8217;s way of cleaning out damaged cells to make way for newer, healthier ones. It is a natural recycling system that functions at a cellular level.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">There is a lack of human research on the exact timing of autophagy, but animal studies suggest that autophagy may start between 24 and 48 hours, or possibly after just 12 hours of fasting (<\/span><a href=\"https:\/\/www.mdpi.com\/2076-2615\/11\/8\/2183\"><span style=\"font-weight: 400;\">18<\/span><\/a><span style=\"font-weight: 400;\">). Because the 72 hour fast pushes well past this window, many people believe it is sufficient to encourage this cellular process.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">However, since human bodies are complex and individual metabolisms vary, the exact timeline for autophagy is not universally guaranteed.<\/span><\/p>\n<p><a href=\"https:\/\/quiz.betterme.world\/en\/first-page-generated?flow=1443&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=fasting_for_3_days\"><img decoding=\"async\" class=\"aligncenter wp-image-30039 size-large\" src=\"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2023\/10\/5-1.png\" alt=\"fasting for 3 days\" \/>\u00a0<\/a><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"What_Are_the_Side_Effects_of_Fasting_for_3_Days\"><\/span><b>What Are the Side Effects of Fasting for 3 Days?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Despite the potential benefits, this practice has several downsides and risks that anyone considering it needs to be aware of. The side effects of a 3-day fast include:<\/span><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Nutritional_Considerations\"><\/span><b>Nutritional Considerations<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Prolonged restriction of nutrients can lead to a range of physical and cognitive changes. When your body does not get enough nutrients from food, it can impact your overall energy and function (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC12736288\/\"><span style=\"font-weight: 400;\">1<\/span><\/a><span style=\"font-weight: 400;\">). Speaking with a healthcare provider before and during an extended fast can help monitor these changes and ensure you are supporting your body appropriately.<\/span><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Minimal_Fat_Loss\"><\/span><b>Minimal Fat Loss<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">While some people explore this practice for potential cellular benefits, many are attracted to it as a way to lose weight. However, as previously mentioned, most of the weight lost is water weight and not fat loss (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11494232\/\"><span style=\"font-weight: 400;\">16<\/span><\/a><span style=\"font-weight: 400;\">). The scale may drop temporarily, but the weight often returns once regular eating resumes.<\/span><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"May_Lead_to_Dehydration\"><\/span><b>May Lead to Dehydration<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Many people assume that water fasting means you will remain well-hydrated throughout. However, people tend to forget that 20% to 30% of our daily water intake comes from food (<\/span><a href=\"https:\/\/www.betterhealth.vic.gov.au\/health\/healthyliving\/water-a-vital-nutrient\"><span style=\"font-weight: 400;\">19<\/span><\/a><span style=\"font-weight: 400;\">). If you do not actively increase the amount of water you drink during the fasting period, you can easily end up dehydrated.<\/span><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"May_Cause_Dizziness\"><\/span><b>May Cause Dizziness<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">This is also known as orthostatic hypotension and is the result of a sudden fall in blood pressure that occurs when you stand up quickly (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11219002\/\"><span style=\"font-weight: 400;\">20<\/span><\/a><span style=\"font-weight: 400;\">). In addition to dehydration, this experience can be amplified when the body is adjusting to a lack of incoming calories and changes in fluid balance.<\/span><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"May_Lead_to_Electrolyte_Imbalance\"><\/span><b>May Lead to Electrolyte Imbalance<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Drinking very large amounts of plain water without replenishing electrolytes can affect sodium balance (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC12736288\/\"><span style=\"font-weight: 400;\">1<\/span><\/a><span style=\"font-weight: 400;\">). If you choose to do a water fast, balancing water intake with electrolyte awareness is important. Proper guidance can help you maintain this delicate balance.<\/span><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Potential_for_Disordered_Eating_Patterns\"><\/span><b>Potential for Disordered Eating Patterns<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Some research has found associations between extended fasting periods and unhealthy relationships with food, particularly for those already vulnerable to restrictive or compulsive eating patterns (<\/span><a href=\"https:\/\/www.mdpi.com\/2072-6643\/16\/24\/4275\"><span style=\"font-weight: 400;\">21<\/span><\/a><span style=\"font-weight: 400;\">). Extended fasts that last for longer than 24 hours can trigger difficult behavioral responses around food for some individuals.<\/span><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Sleep_Disturbances\"><\/span><b>Sleep Disturbances<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Some research has found that individuals can experience sleep disturbances as a result of fasting, though overall the research is mixed (<\/span><a href=\"https:\/\/www.frontiersin.org\/journals\/nutrition\/articles\/10.3389\/fnut.2024.1419811\/full\"><span style=\"font-weight: 400;\">22<\/span><\/a><span style=\"font-weight: 400;\">). The physical discomfort of hunger and the metabolic shifts can make it harder to fall asleep and stay asleep during the fast.<\/span><\/p>\n<p><i><strong>Read more: <\/strong><\/i><a href=\"https:\/\/betterme.world\/articles\/intermittent-fasting-and-running\/\"><i>Intermittent Fasting and Running: A Winning Combination or a Terrible Mistake? <\/i><\/a><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Who_Should_NOT_Fast\"><\/span><b>Who Should NOT Fast?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">People who manage blood sugar levels for medical purposes or are on medication that affects glucose should speak with their healthcare provider before considering any extended fast. Pregnant women, new moms, or women who are breastfeeding should avoid fasting.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Additionally, older adults, children, teenagers, and highly active individuals whose daily requirements are greater than average should not attempt a 3-day fast. While some healthy adults may choose to try a 3-day fast, it is not suitable for everyone.<\/span><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"What_Can_You_Expect_When_Fasting_for_3_Days\"><\/span><b>What Can You Expect When Fasting for 3 Days?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Fasting for long periods can be physically demanding. Understanding the 72 hour fast stages can help you anticipate the shifts in your energy and comfort levels.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Many people experience physical adjustment symptoms during the first 1 to 2 days, which commonly ease as the body adapts (<\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534877\/\"><span style=\"font-weight: 400;\">15<\/span><\/a><span style=\"font-weight: 400;\">). These adjustments can include dizziness, headaches, low blood sugar, muscle aches, weakness, and fatigue. It is completely normal to feel less energetic than usual, which is why resting is highly recommended.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Extended fasting beyond 72 hours carries significantly higher risks and should only be considered with medical supervision. Denying your body nutrients for an extended period puts a heavy load on your system. By the end of a 72 hour water fast, you will likely feel eager to eat, which is why having a gentle re-feeding plan is so important.<\/span><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"What_Are_Some_Healthier_Alternatives_to_Fasting_for_3_Days\"><\/span><b>What Are Some Healthier Alternatives to Fasting for 3 Days?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Fasting for three days is an extreme practice that may not fit into everyday life. Instead of doing this, you could choose an alternative route that supports your goals in a more sustainable way:<\/span><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Intermittent_Fasting\"><\/span><b>Intermittent Fasting<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Intermittent fasting (IF) is a much more studied and generally more sustainable approach. With IF, you go through a continuous cycle of eating and stopping rather than abstaining completely for three days. Popular methods include a 16-hour fast with an 8-hour eating window (16:8) or the 5:2 method (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9946909\/\"><span style=\"font-weight: 400;\">23<\/span><\/a><span style=\"font-weight: 400;\">). If you are interested in longer fasts, you can also read about 5 day fasting benefits, though the risks increase with duration.<\/span><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Modified_Fasting\"><\/span><b>Modified Fasting<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Instead of a complete water fast, some people opt for modified fasting, where they consume a very low number of calories (e.g., 500\u2013600 calories) for a day or two (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10098946\/\"><span style=\"font-weight: 400;\">24<\/span><\/a><span style=\"font-weight: 400;\">). This provides some nutrients while still altering your normal intake.<\/span><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Calorie-Restricted_Eating\"><\/span><b>Calorie-Restricted Eating<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Going on a moderate calorie deficit is a practical way to manage weight and support overall wellness without extreme restriction (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9036397\/\"><span style=\"font-weight: 400;\">25<\/span><\/a><span style=\"font-weight: 400;\">). Once you calculate your maintenance calories, a 500 calorie deficit sustained for a defined period can be helpful. The mMajority of your meals should consist of a variety of whole, minimally processed foods.<\/span><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Clean_Up_Your_Diet_and_Exercise\"><\/span><b>Clean Up Your Diet and Exercise<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Many wellness goals can be supported by making consistent, impactful changes to your diet and increasing physical activity over time (<\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK587401\/\"><span style=\"font-weight: 400;\">26<\/span><\/a><span style=\"font-weight: 400;\">). <\/span><span style=\"font-weight: 400;\">For example, you can swap out processed snacks for whole fruits and vegetables or try adding more movement throughout your day, such as taking the stairs instead of the elevator.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Making small changes can be a sustainable way to improve your overall health. This approach also helps avoid feelings of deprivation or extreme restriction, which can lead to overindulging in unhealthy foods or quitting.<\/span><\/p>\n<p><a href=\"https:\/\/quiz.betterme.world\/en\/first-page-generated?flow=1443&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=fasting_for_3_days\"><img decoding=\"async\" class=\"aligncenter wp-image-30039 size-large\" src=\"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2023\/10\/5_1.png\" alt=\"fasting for 3 days\" \/>\u00a0<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span><b>Frequently Asked Questions<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><ul><li><h3><span class=\"ez-toc-section\" id=\"Is_it_appropriate_to_fast_for_3_days\"><\/span><strong>Is it appropriate to fast for 3 days?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><\/li><\/ul><p><span style=\"font-weight: 400;\">A 3-day fast may be appropriate for some people under certain conditions, but it is an extreme practice. While some individuals explore it for potential metabolic support, almost all general wellness goals can be supported by shorter, more sustainable habits, such as fasting for 12 to 16 hours a day. Always consult a healthcare provider before starting.<\/span><\/p>\n<ul><li><h3><span class=\"ez-toc-section\" id=\"Do_people_have_stomach_discomfort_when_fasting_for_3_days\"><\/span><strong>Do people have stomach discomfort when fasting for 3 days?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><\/li><\/ul><p><span style=\"font-weight: 400;\">Yes, they often do. The lack of food and the shifting of digestive acids can cause rumbling, cramping, or general discomfort (<\/span><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/39889201\/\"><span style=\"font-weight: 400;\">27<\/span><\/a><span style=\"font-weight: 400;\">). If you experience severe abdominal pain, dizziness, or nausea during a fast, you should stop immediately and seek medical advice.<\/span><\/p>\n<ul><li><h3><span class=\"ez-toc-section\" id=\"What_happens_after_3_days_of_fasting\"><\/span><strong>What happens after 3 days of fasting?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><\/li><\/ul><p><span style=\"font-weight: 400;\">After three days of not eating, you will likely be very hungry, and you may feel weak or fatigued. Your body will be in a state of deep ketosis, as outlined in the 72 hour fast stages (<\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK534877\/\"><span style=\"font-weight: 400;\">15<\/span><\/a><span style=\"font-weight: 400;\">). It is crucial to transition slowly back to solid foods to avoid upsetting your digestive system.<\/span><\/p>\n<ul><li><h3><span class=\"ez-toc-section\" id=\"How_many_days_is_it_OK_to_fast\"><\/span><strong>How many days is it OK to fast?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><\/li><\/ul><p><span style=\"font-weight: 400;\">For the average person, it is advisable to go no longer than 24 hours without food without medical supervision. Any fast lasting longer than this requires careful planning, electrolyte management, and professional guidance to minimize risks.<\/span><\/p>\n\n<p><span data-sheets-root=\"1\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;&lt;a href=&quot;&quot;https:\/\/quiz.betterme.world\/en\/first-page-generated?flow=1443&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=fasting_for_3_days&quot;&quot; target=&quot;_blank&quot;&gt;&lt;video autoplay=&quot;autoplay&quot; loop=&quot;loop&quot; muted=&quot;muted&quot; playsinline=&quot;playsinline&quot; width=&quot;777&quot;&gt;&lt;source src=&quot;&quot;https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2023\/10\/ezgif.com-gif-to-mp4-12.mp4&quot;&quot; type=&quot;video\/mp4&quot; \/&gt;&lt;\/video&gt;&lt;\/a&gt;&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:256,&quot;11&quot;:3}\" data-sheets-formula=\"=replace(R[-12]C[0],SEARCH(&quot;LINK TO QUIZ&quot;,R[-12]C[0]),LEN(&quot;LINK TO QUIZ&quot;),R8C[0])\"><a href=\"https:\/\/quiz.betterme.world\/en\/first-page-generated?flow=1443&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=fasting_for_3_days\" target=\"_blank\"><video autoplay=\"autoplay\" loop=\"loop\" muted=\"muted\" playsinline=\"playsinline\" width=\"777\"><source src=\"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2023\/10\/ezgif.com-gif-to-mp4-12.mp4\" type=\"video\/mp4\" \/><\/video><\/a><\/span><\/p>\n<h2 style=\"text-align: left;\"><span class=\"ez-toc-section\" id=\"The_Bottom_Line\"><\/span><b>The Bottom Line<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Fasting for 3 days is an advanced practice that involves abstaining from all calories for 72 hours. While some people explore a 3-day fast for potential autophagy or metabolic support, the weight loss benefits are limited, and the physical risks are real. It is not a quick fix for lasting wellness, and the process demands strict attention to hydration, rest, and a careful re-feeding protocol.<\/span><\/p>\n<p><i><span style=\"font-weight: 400;\">A 3-day fast is a significant undertaking that affects individuals very differently. Before attempting any extended fast, consulting with a healthcare provider is strongly advisable\u2014particularly for anyone with an existing health condition, who is on medication, or who has a history of disordered eating patterns.<\/span><\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fasting for 3 days, also known as a 72-hour fast, involves abstaining from all food and calorie-containing beverages for three full days. During a 72-hour fast, you consume only water or other non-caloric drinks. This practice shifts the body&#8217;s primary energy source from dietary carbohydrates to stored fat. While many people explore a 3-day fast [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":90976,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[150],"tags":[],"coauthors":[45],"class_list":["post-9789","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fasting-diet"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.2.1 (Yoast SEO v25.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>3-Day Fast (72-Hour Fast): Benefits, Dangers &amp; How to Do It - BetterMe<\/title>\n<meta name=\"description\" content=\"Is \u2605 FASTING FOR 3 DAYS \u27a4 worth it? Here\u2019s what you need to know about a 72 hour fast - benefits, dangers, and how to do it.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3-Day Fast (72-Hour Fast): Benefits, Dangers &amp; How to Do It\" \/>\n<meta property=\"og:description\" content=\"Is \u2605 FASTING FOR 3 DAYS \u27a4 worth it? Here\u2019s what you need to know about a 72 hour fast - benefits, dangers, and how to do it.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/\" \/>\n<meta property=\"og:site_name\" content=\"BetterMe Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/betterme.health.coaching\" \/>\n<meta property=\"article:author\" content=\"#\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-22T06:46:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2020\/10\/1202-72-hour-fast.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"BetterMe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@betterme\" \/>\n<meta name=\"twitter:site\" content=\"@betterme\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"BetterMe\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"15 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/\"},\"author\":{\"name\":\"BetterMe\",\"@id\":\"https:\/\/betterme.world\/articles\/#\/schema\/person\/c1a70231a169871432eddf2529db3e6a\"},\"headline\":\"3-Day Fast (72-Hour Fast): Benefits, Dangers &#038; How to Do It\",\"dateModified\":\"2026-04-22T06:46:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/\"},\"wordCount\":3189,\"publisher\":{\"@id\":\"https:\/\/betterme.world\/articles\/#organization\"},\"image\":{\"@id\":\"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2020\/10\/1202-72-hour-fast.jpg\",\"articleSection\":[\"Fasting\"],\"inLanguage\":\"en-US\",\"articleBody\":\"<span style=\\\"font-weight: 400;\\\">Fasting for 3 days, also known as a 72-hour fast, involves abstaining from all food and calorie-containing beverages for three full days. During a 72-hour fast, you consume only water or other non-caloric drinks. This practice shifts the body's primary energy source from dietary carbohydrates to stored fat. While many people explore a 3-day fast for potential metabolic support or cellular recycling, it is an advanced practice that requires careful preparation, electrolyte management, and a gradual re-feeding process to support the body safely.<\/span>\\r\\n\\r\\n<span data-sheets-root=\\\"1\\\" data-sheets-value=\\\"{&quot;1&quot;:2,&quot;2&quot;:&quot;[video-shortcode link=\\\\&quot;https:\/\/quiz.betterme.world\/en\/first-page-generated?flow=1443&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=fasting_for_3_days\\\\&quot; mp4=\\\\&quot;https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2021\/02\/ezgif.com-gif-to-mp4.mp4\\\\&quot;]&quot;}\\\" data-sheets-userformat=\\\"{&quot;2&quot;:256,&quot;11&quot;:3}\\\" data-sheets-formula=\\\"=replace(R[-12]C[0],SEARCH(&quot;LINK TO QUIZ&quot;,R[-12]C[0]),LEN(&quot;LINK TO QUIZ&quot;),R8C[0])\\\"><\/span>\\r\\n\\r\\n<span style=\\\"font-weight: 400;\\\">Fasting is a practice that has been part of the human experience for a very long time. Today, many people abstain from food and drink (or both) for health, ritualistic, religious, or ethical reasons.\u00a0 While short fasts are quite popular, longer or prolonged fasts have started gaining more attention, with people wondering if they may be a good fit for their lifestyle.<\/span>\\r\\n\\r\\n<span style=\\\"font-weight: 400;\\\">Fasting for 3 days is one such example of prolonged fasting. Yet, extended fasts significantly increase health risks and require ongoing medical supervision<\/span>\\r\\n\\r\\n<span style=\\\"font-weight: 400;\\\">If you are curious to know what a 3-day fast is, or what the effects, benefits, and risks of fasting for three days are, this guide will provide you with the information you need. 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Here\u2019s what you need to know about a 72 hour fast - benefits, dangers, and how to do it.","og_url":"https:\/\/betterme.world\/articles\/fasting-for-3-days\/","og_site_name":"BetterMe Blog","article_publisher":"https:\/\/www.facebook.com\/betterme.health.coaching","article_author":"#","article_modified_time":"2026-04-22T06:46:24+00:00","og_image":[{"width":1920,"height":1200,"url":"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2020\/10\/1202-72-hour-fast.jpg","type":"image\/jpeg"}],"author":"BetterMe","twitter_card":"summary_large_image","twitter_creator":"@betterme","twitter_site":"@betterme","twitter_misc":{"Written by":"BetterMe","Est. reading time":"15 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#article","isPartOf":{"@id":"https:\/\/betterme.world\/articles\/fasting-for-3-days\/"},"author":{"name":"BetterMe","@id":"https:\/\/betterme.world\/articles\/#\/schema\/person\/c1a70231a169871432eddf2529db3e6a"},"headline":"3-Day Fast (72-Hour Fast): Benefits, Dangers &#038; How to Do It","dateModified":"2026-04-22T06:46:24+00:00","mainEntityOfPage":{"@id":"https:\/\/betterme.world\/articles\/fasting-for-3-days\/"},"wordCount":3189,"publisher":{"@id":"https:\/\/betterme.world\/articles\/#organization"},"image":{"@id":"https:\/\/betterme.world\/articles\/fasting-for-3-days\/#primaryimage"},"thumbnailUrl":"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2020\/10\/1202-72-hour-fast.jpg","articleSection":["Fasting"],"inLanguage":"en-US","articleBody":"<span style=\"font-weight: 400;\">Fasting for 3 days, also known as a 72-hour fast, involves abstaining from all food and calorie-containing beverages for three full days. During a 72-hour fast, you consume only water or other non-caloric drinks. This practice shifts the body's primary energy source from dietary carbohydrates to stored fat. While many people explore a 3-day fast for potential metabolic support or cellular recycling, it is an advanced practice that requires careful preparation, electrolyte management, and a gradual re-feeding process to support the body safely.<\/span>\r\n\r\n<span data-sheets-root=\"1\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;[video-shortcode link=\\&quot;https:\/\/quiz.betterme.world\/en\/first-page-generated?flow=1443&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=fasting_for_3_days\\&quot; mp4=\\&quot;https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2021\/02\/ezgif.com-gif-to-mp4.mp4\\&quot;]&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:256,&quot;11&quot;:3}\" data-sheets-formula=\"=replace(R[-12]C[0],SEARCH(&quot;LINK TO QUIZ&quot;,R[-12]C[0]),LEN(&quot;LINK TO QUIZ&quot;),R8C[0])\"><\/span>\r\n\r\n<span style=\"font-weight: 400;\">Fasting is a practice that has been part of the human experience for a very long time. Today, many people abstain from food and drink (or both) for health, ritualistic, religious, or ethical reasons.\u00a0 While short fasts are quite popular, longer or prolonged fasts have started gaining more attention, with people wondering if they may be a good fit for their lifestyle.<\/span>\r\n\r\n<span style=\"font-weight: 400;\">Fasting for 3 days is one such example of prolonged fasting. Yet, extended fasts significantly increase health risks and require ongoing medical supervision<\/span>\r\n\r\n<span style=\"font-weight: 400;\">If you are curious to know what a 3-day fast is, or what the effects, benefits, and risks of fasting for three days are, this guide will provide you with the information you need. 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