Blog Diets Fasting Tips for Fasting: How to Get the Most out of Intermittent Fasting

Tips for Fasting: How to Get the Most out of Intermittent Fasting

Fasting is one of the oldest health traditions in the world and has been practiced throughout history for health, cultural, and religious reasons. As far back as Hippocrates, fasting was prescribed as a way of healing illness and improving cognitive abilities. Greek philosophers, those regarded as the fathers of modern medicine, and even Benjamin Franklin extolled the merits of fasting (5).

Fasting has recently gained a great deal of attention as research has found benefits to practices such as intermittent fasting. You may be looking for tips on intermittent fasting or you might want to learn more about different kinds of fasts.

What Is the Trick to Fasting?

When starting a fast, it’s important to understand the intermittent fasting rules. A fast is a window of during which little to no food is consumed, only water or non-caloric beverages. Some fasting days are marked with very low-calorie consumption, from 0- 500 calories (56).

There is no single way to fast, and there are now several popular fasting methods. You can read more about the pros and cons of intermittent fasting here.

Popular methods include: (56)

5:2 Fasting

Fasting out of 7 days. Your fasting days must be non-consecutive. For example, if you fast on Monday, may fast again on Wednesday, Thursday, or Friday, but not Tuesday.

6:1 Fasting

This pattern is similar to the 5:2, but there’s only 1 day of fasting rather than 2 days.

tips for fasting  

B2 Regimen

Only two large meals are consumed in a day, with the first between 6 and 10 am, and then lunch between 12 and 4 pm. There is no snacking and no third meal. Water and non-caloric beverages are allowed throughout the day.

See also
The Benefits of Fruit Fasting and How to Do It Safely

16:8 Fasting

This pattern involves only consuming food during an 8-hour window and fasting for 16 hours a day, every day of the week.

Alternate Day Fasting

This involves fasting for 24 hours on alternate days. For example, you may fast on Monday, Wednesday, and Friday.

Circadian Rhythm Fasting

This approach aligns meal timing with your body’s natural rhythms. You can read more about circadian rhythm fasting here.      

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How Do I Get the Best Results from Fasting?

Whether you’re fasting for weight loss or to improve other health outcomes such as blood sugar or gut health, there are certain intermittent fasting tips for success. One is to find a fasting pattern that works for you and that you can follow consistently. 

You may notice that your body reacts to one fasting pattern, and you may experience unpleasant side effects such as low blood sugar or lethargy (54). You may need to try another fasting pattern to see if something different works better for you.

See also
Intermittent Fasting 19/5: What Is It, How To Do It, Benefits & More

Once you’ve found a fasting pattern that works well for you, try it for a few weeks in order to see the desired results (6). If you only follow a fasting pattern for 1-2 weeks, you may not see many improvements.

For those who are trying fasting to help with weight loss, intermittent fasting in a 16/8 or 5/2 pattern has been linked with successful outcomes (6).

6 Tips for Intermittent Fasting

Keep Your Fasting Window Short 

Research supports fasting for short periods of up to 24 or 48 hours. Periods of fasting longer than 72 hours may increase incidences of irritability and mood changes, dehydration, hunger, fainting, and lack of energy and focus (97).

Prolonged fasting periods have been linked to health concerns such as refeeding syndrome (8). If you’re new to fasting, you may want to start with a plan such as intermittent fasting for 16 hours per day.

Start Gradually

If you’re new to fasting, you may want to start with intermittent fasting for 14-16 hours per day, and fast for just a few days a week. You can then gradually work to increase the number of days per week you fast or move on to longer fasting windows such as 16-24 hours, if desired.

Stay Hydrated 

During any fasting period, you must stay hydrated. On a typical day, you get approximately 30% of your fluid requirements from food, so dehydration is a distinct possibility when fasting (2).

Drink plenty of non-caloric fluids, especially water (1).  You may also enjoy herbal teas, as they don’t contain caffeine. Moderate amounts of caffeinated coffee or tea are allowed, but skip the cream, milk, honey, and sugar.

See also
Green Tea Intermittent Fasting: Benefits and Side Effects

Go for Walks or Exercise Lightly

Some exercise can boost energy levels when you’re fasting. They can also take your mind off fasting and allow you to focus on something else. Avoid heavy lifting or vigorous exercise during a fast.

Opt for slower walks, light yoga, or stretching to help your body feel its best and keep your energy levels up. If you’re having a hard time distracting yourself from your fast, you may want to listen to a podcast or audiobook while walking or stretching.

Stop Fasting If You’re Unwell

If you feel sick or experience symptoms such as weakness, fatigue, difficulty carrying out daily tasks, discomfort, or feeling sick, you may need to stop fasting (7).

Don’t Overeat When You Break Your Fast

When you’re allowed to eat again, it can be tempting to order that meal you’ve been dreaming about and drooling over, but it’s best to break your fast with healthy, whole foods that may be gentle on the digestive system.

Broth-based soups, plain yogurt, or smoothies are excellent options as they’re full of nutrients but not difficult to digest. Dates are often used to break religious fasts in Islam, as they are a nutrient-dense source of minerals, carbohydrates, and fiber (10).

As your feeding window goes on, include healthy foods such as whole grains, lean proteins, fruits, vegetables, and healthy fats. Try to eat normal, moderate meals during your eating window.

See also
Intermittent Fasting for Men Over 50: Benefits, Possible Risks, and 10 Tips to Boost the Advantages

Read more: Intermittent Fasting and Running: A Winning Combination or a Terrible Mistake?

What Not to Do When Fasting

While it’s important to understand what to do while fasting, it’s also important to avoid common mistakes that could break your fast or increase your risk of illness, discomfort, or health complications when fasting.

Don’t Ignore Signs

If you’re fasting and start to have frequent headaches, lethargy, severe fatigue, or feelings of low blood sugar, don’t ignore these signs. You may need to try a different fasting pattern or eat lower-calorie foods on some days without completely restricting your caloric intake (4).

Restrict Caloric Beverages

Remember that when you’re on a fast, drinking beverages such as milk, juice, lemonade, sweet tea, soda, and energy drinks will add to your overall caloric intake and can break your fast. While fasting, it’s best to stick to water, unsweetened teas, and coffees without cream, milk, sugar, or honey. 

Don’t Exercise Excessively

One of the most important tips for fasting for 24 hours or more is to avoid vigorous exercise or exercising for long periods. This can increase the risk of low blood sugar, low blood pressure, dizziness, or fainting. 

See also
What Can I Eat During Intermittent Fasting?

If you’re fasting for only 14-16 hours a day, you may continue with your normal exercise routine, but you should go slowly to build up your stamina when you first start fasting. You may also consider scheduling your workout during your eating window or immediately after you start your fasting window, as you will have recently eaten.

Avoid Spending a Lot of Time in the Heat or Saunas

If you’re fasting, you’re more likely to become dehydrated, so spending time in the hot sun or other hot environments such as a sauna, steam shower, or hot tub is ill-advised. You could experience low blood sugar, low blood pressure, lightheadedness, or fainting. (3)

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tips for fasting  

FAQs

  • What can I drink while fasting?

You can drink any non-caloric beverage you want while fasting. Make sure you drink plenty of pure water. You may also try caffeine-free teas to keep you hydrated. Some fasts allow for bone broth. You may consume moderate amounts of caffeinated coffee and tea without added sugar, milk, or cream.

  • Which fasting method is best for weight loss?

For those who are trying fasting to help lose weight, the best intermittent fasting for weight loss may be a 16/8 or 5/2 pattern. Studies have found these patterns to be successful, and many people find them easy to continue with (6). Other tips for fasting to lose weight include finding a fasting pattern that you can be consistent with and making sure you don’t overeat during your eating windows, as this could compromise your results. If you’re wondering about the best macro ratio for weight loss while intermittent fasting, you can read more here

  • What is a dirty fast?

A “dirty fast” is a fasting pattern that allows the consumption of low-calorie foods during the fast. This may be beneficial for those who want to try fasting but have certain health conditions or who have tried stricter fasting regimens and experienced difficulties. As some research has found fasting windows that allow for a few hundred to positive health impacts (5), many people are turning to “dirty fasting”.

Foods that are allowed on a dirty fast:

  • Non-starchy vegetables such as broccoli, celery, and cucumber
  • Bone broth
  • Small servings of low-calorie broth-based soups such as vegetable soup 
  • Coffee or tea with cream or milk
  • Small servings of fresh fruit
  • 1 tbsp unsalted nuts

The Bottom Line

There are many ways you can incorporate fasting into your lifestyle. Intermittent fasting and dirty fasting are popular choices that are easy to follow, generally safe, and may help with weight loss and other health conditions. Many tips can make fasting easier and less uncomfortable, which increases your likelihood of continuing with fasting. If you have any concerns about safety while fasting or your health, talk with a doctor or healthcare provider.

DISCLAIMER:

This article is intended for general informational purposes only and does not serve to address individual circumstances. It is not a substitute for professional advice or help and should not be relied on for making any kind of decision-making. Any action taken as a direct or indirect result of the information in this article is entirely at your own risk and is your sole responsibility.

BetterMe, its content staff, and its medical advisors accept no responsibility for inaccuracies, errors, misstatements, inconsistencies, or omissions and specifically disclaim any liability, loss or risk, personal, professional or otherwise, which may be incurred as a consequence, directly or indirectly, of the use and/or application of any content.

You should always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition or your specific situation. Never disregard professional medical advice or delay seeking it because of BetterMe content. If you suspect or think you may have a medical emergency, call your doctor.

SOURCES:

  1. Adult Dehydration (2022, ncbi.nlm.nih.gov)
  2. Contribution of Water from Food and Fluids to Total Water Intake: Analysis of a French and UK Population Surveys (2016, ncbi.nlm.nih.gov)
  3. Effect of fasting during Ramadan on thermal stress parameters (2019, emro.who.int)
  4. Intermittent Fasting: Benefits, Side Effects, Quality of Life, and Knowledge of the Saudi Population (2023, ncbi.nlm.nih.gov)
  5. Intermittent Fasting and Metabolic Health (2022, ncbi.nlm.nih.gov)
  6. Intermittent fasting and weight loss (2020, ncbi.nlm.nih.gov)
  7. Is fasting safe? A chart review of adverse events during medically supervised, water-only fasting (2018, ncbi.nlm.nih.gov)
  8. Metabolic and hormonal changes during the refeeding period of prolonged fasting (2007, academic.oup.com)
  9. Potential Benefits and Harms of Intermittent Energy Restriction and Intermittent Fasting Amongst Obese, Overweight and Normal Weight Subjects—A Narrative Review of Human and Animal Evidence (2017, ncbi.nlm.nih.gov)
  10. The unexpected truth about dates and hypoglycemia (2016, ncbi.nlm.nih.gov)
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