Blog Diets Fasting 9 Intermittent Fast Belly Fat Burner Hacks That Are Science-Backed

9 Intermittent Fast Belly Fat Burner Hacks That Are Science-Backed

Are you tired of battling stubborn belly fat that just won’t seem to budge? You’re not alone. According to the World Health Organization, nearly 40% of adults worldwide are overweight, with a significant portion struggling with excess abdominal fat (18). 

This pesky adipose tissue not only hinders your confidence and appearance, it also poses serious health risks, including an increased risk of heart disease and type 2 diabetes. 

The good news is that intermittent fasting (IF) offers a powerful, popular method to torch that unwanted flab, and we’ve uncovered 9 belly fat burner hacks to amplify your results even further. 

In this blog post, we’ll reveal these game-changing hacks that outperform many popular weight loss methods. You can read about others in our best fasting schedule article

Does Intermittent Fasting Work For Belly Fat?

Yes, intermittent fasting can work for belly fat reduction (11). Its success lies in its unique approach to weight loss and the physiological changes it is believed to induce in the body:

Hormonal Changes

When practicing intermittent fasting, our bodies may go through several hormonal changes that promote fat burning (4):

  • Insulin: Fasting may help lower insulin levels, which facilitates fat burning. Lower insulin levels make it easier for the body to access stored fat and use it for energy.
  • Human growth hormone (HGH): IF may increase the production of HGH, a hormone that helps with muscle growth and fat metabolism (5).
  • Norepinephrine: Fasting may stimulate the release of norepinephrine, a hormone that helps break down fat cells and mobilize them for energy use (15).

If you struggle to even flirt with the idea of giving up your favorite foods or working out till your legs give way – BetterMe app is here to breathe a fresh perspective into the way you view the weight loss process! Check out the app and experience the fun side of fitness and dieting with BetterMe!

See also
17/7 Intermittent Fasting: A Practical Approach to Time-Restricted Eating

Cellular Repair and Metabolic Rate

Intermittent fasting is also believed to promote a process called autophagy. It’s when a body repairs damaged cells and removes waste products (19). This cellular repair process contributes to overall health.

In addition, short-term fasting may increase metabolic rate, which helps you burn more calories throughout the day, although this is based on data from animals (12).

Visceral Fat Loss

Visceral fat, which is also known as belly fat, is particularly harmful as it surrounds vital organs and releases inflammatory substances that can contribute to chronic diseases. 

Studies have shown that intermittent fasting may help people lose visceral fat, which makes it an effective tool for reducing this dangerous type of fat (13). IF works for fat loss by helping create a calorie deficit, which means you eat fewer calories than you burn overall. 

intermittent fasting belly fat  

When Do You Lose All Belly Fat in Intermittent Fasting?

The timeline for losing belly fat through intermittent fasting varies from person to person, depending on factors such as individual metabolism, starting weight, and adherence to the fasting protocol. However, we can provide a general overview of what you can expect during your intermittent fasting journey.

Initial Weight Loss

During the first few weeks of intermittent fasting, you may notice rapid weight loss as your body gradually adapts to the new eating pattern. This initial weight loss often consists of water weight and some fat loss.

See also
Alternate Day Fasting: Schedule, Benefits, Risks, And More

Weeks 1-4:

  • Water weight: The reduction in carbohydrate intake during fasting leads to decreased glycogen stores, resulting in the loss of water weight (7).
  • Fat loss: As insulin levels drop and hormones such as HGH and norepinephrine increase, the body may burn fat more efficiently for energy (11).

Progressive Fat Loss

As you continue with intermittent fasting, fat loss becomes more gradual and consistent. It’s important to remember that everyone’s progress will be different.

Weeks 4-12:

  • Increased metabolic rate: Your metabolism may increase, which helps you burn more calories throughout the day (12).
  • Visceral fat reduction: Some of the fat you burn should be visceral fat, which contributes to belly fat reduction (13).

Read more: Is The Japanese Towel Exercise an Effective Way to Burn Belly Fat?

Factors That Affect the Belly Fat Loss Timeline

Several factors can influence the timeline for losing belly fat during intermittent fasting:

  • Individual metabolism: People with faster metabolisms may experience quicker fat loss than those with slower metabolic rates.
  • Starting weight: Individuals with more belly fat to lose may take longer to reach their desired results.
  • Adherence to fasting protocol: Consistency in following your chosen IF method plays a crucial role in determining the timeline for belly fat loss.
  • Diet and exercise: Combining intermittent fasting with a healthy, balanced diet and regular physical activity can accelerate belly fat loss.

intermittent fasting belly fat  

How to Do Intermittent Fasting to Lose Belly Fat

Here are some of the best hacks to use for intermittent fasting for abdominal fat:

See also
Intermittent Fasting Bloating: Why It Happens, and What You Can Do About It

Hack 1: Choose the Right Fasting Method for You

Finding the most suitable intermittent fasting method for your lifestyle is essential for long-term success. 

There are several popular IF protocols, each of which has its own unique approach (14):

  • 16:8 Method: Fast for 16 hours and eat within an 8-hour window.
  • 5:2 Method: Consume only 500-600 calories on two non-consecutive days of the week and eat normally on the other five days.
  • Eat-Stop-Eat: Perform a 24-hour fast once or twice a week.

Experiment with these methods to determine which works best for your schedule and preferences. Consistency is key, so you should choose a method you can sustain over time.

Hack 2: Prioritize Whole Foods and Balanced Nutrition

During your eating window, you should focus on consuming nutrient-dense whole foods, such as fruits, vegetables, lean proteins, healthy fats, and complex carbohydrates. A well-rounded diet will not only support your weight loss goals, it will also provide essential nutrients for overall health (9).

  • Opt for lean protein sources such as chicken, fish, beans, and tofu.
  • Include plenty of colorful fruits and vegetables.
  • Choose complex carbs such as whole grains, quinoa, and sweet potatoes.
  • Incorporate healthy fats from avocados, nuts, seeds, and olive oil.

Hack 3: Hydrate During Your Fasting Window

Remaining hydrated is important during your fasting window. Drinking water can help suppress hunger, boost metabolism, and aid with digestion (22).

  • Aim to drink at least 8-10 glasses of water per day.
  • If you struggle with plain water, try adding lemon, cucumber, or mint for flavor.
See also
Can You Have Coffee When Fasting?

Hack 4: Combine IF with Regular Exercise

Incorporating regular physical activity can accelerate your belly fat loss while following intermittent fasting. Both cardiovascular and resistance training are beneficial for overall health and weight loss (21).

  • Aim for 150 minutes of moderate-intensity aerobic activity or 75 minutes of vigorous-intensity aerobic activity every week.
  • Include strength training exercises at least twice a week that target all major muscle groups.

Hack 5: Manage Stress and Prioritize Sleep

Chronic stress and inadequate sleep can lead to increased cortisol levels, which can hinder your weight loss progress (20). Managing stress and prioritizing quality sleep is essential for successful belly fat reduction (1).

  • Practice stress-reducing techniques such as meditation, yoga, or deep breathing exercises.
  • Aim for 7-9 hours of sleep every night and establish a consistent sleep schedule.

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Hack 6: Break Your Fast with Protein and Fiber

When breaking your fast, you should choose nutrient-dense foods high in protein and fiber (2). These nutrients help control hunger, stabilize blood sugar, and promote satiety.

  • Opt for a balanced meal with lean proteins, whole grains, and plenty of fruits and vegetables.
  • Examples of protein-rich foods include eggs, Greek yogurt, and grilled chicken.
  • High-fiber options include leafy greens, beans, and berries.

Hack 7: Avoid Overeating During Your Eating Window

It’s important to avoid overeating during your eating window as consuming excessive calories can counteract the benefits of intermittent fasting. Practice mindful eating and pay attention to your hunger cues (16).

  • Eat slowly and savor each bite.
  • Stop eating when you’re comfortably full.
See also
Intermittent Fasting for Men Over 50: Benefits, Possible Risks, and 10 Tips to Boost the Advantages

Hack 8: Track Your Progress

Monitoring your progress can help you stay motivated and make necessary adjustments to your intermittent fasting plan.

  • Keep a food and exercise journal.
  • Measure your waist circumference and track changes over time.
  • Weigh yourself regularly but remember that non-scale victories such as increased energy and improved mood are also important indicators of progress.

Hack 9: Experiment with Different Fasting Windows

As you progress on your intermittent fasting journey, don’t be afraid to experiment with different fasting windows. Some individuals may find that extending their fasting period or altering their eating window helps accelerate belly fat loss.

  • Try to gradually increase your fasting window by an hour or two.
  • Alternatively, you can adjust your eating window to better align with your daily activities and hunger patterns.

Read more: 24 Weight Loss Smoothies, 2 Diet Plans, and 5 Belly Fat Smoothie Secrets

intermittent fasting belly fat  


  • How long does it take for 16/8 intermittent fasting to work?

It takes at least 2 weeks to start seeing noticeable results from intermittent fasting. However, the rate of belly fat loss can vary depending on various factors such as:

  • Individual metabolism.
  • Starting weight and amount of belly fat to lose.
  • Adherence to fasting protocol.
  • Diet and exercise habits.

Most people will see significant changes in their body composition within 4-8 weeks if they follow intermittent fasting consistently.

However, before you see any visible changes, remember that intermittent fasting may have health benefits beyond weight loss.

So even if you don’t see drastic changes on the scale immediately, remember that you’re still having a positive impact on your overall well-being.

You’ll notice changes in your energy levels, mood, and sleep quality far sooner.

  • Energy levels – Endurance and stamina may improve as the body starts to burn fat for fuel instead of relying on glucose (12).
  • Mood – Regular fasting can increase dopamine, a neurotransmitter that regulates motivation and pleasure, which can lead to improved mood and mental clarity (6).
  • Sleep quality – Fasting is believed to improve sleep quality by regulating hormones and promoting relaxation (10).

So don’t get discouraged if you don’t see results right away.

Our Belly Fat Burner Hacks post has some tips for when you feel discouraged and don’t see results right away.

  • Will I lose belly fat if I stop eating?

No, simply stopping eating will not lead to sustainable belly fat loss. It could actually have harmful effects on your overall health and metabolism. Intermittent fasting is not about restricting calories or depriving yourself of food, it’s about following a structured eating pattern that can facilitate weight loss and improve overall well-being.

Consistently consuming nutrient-dense whole foods, staying hydrated, and incorporating regular physical activity are all essential components of a healthy lifestyle that can lead to belly fat loss (8). So instead of focusing on extreme measures such as not eating at all, you should focus on making sustainable changes that support your overall health goals.

  • Which part of the body loses fat first during intermittent fasting?

The body does not selectively lose fat in one specific area first during intermittent fasting. Fat loss occurs throughout the body as a result of creating a calorie deficit through fasting and healthy eating habits. However, some people may notice more visible changes in certain areas such as the belly due to genetic factors and individual body composition.

  • How much weight can you lose with intermittent fasting in a month?

You can lose 1-2 pounds per week with intermittent fasting, which equates to 4-8 pounds in a month (3). However, the amount of weight loss can vary depending on factors such as starting weight, adherence to fasting and healthy eating habits, and individual metabolism.

Starting weight – People with a higher starting weight may see more significant changes in their body composition than those who have less weight to lose.

Adherence – Consistently following a structured fasting and healthy eating protocol is essential for achieving weight loss goals.

Metabolism – Every individual has a unique metabolism, so the rate at which they lose weight may vary.

To increase your chances of  weight loss success (17):

  • Stay consistent with your fasting and healthy eating habits. Use a fasting app or set reminders to help you stay on track.
  • During your eating window, you should fill up on nutritious, whole foods that provide satiety and nourishment.
  • Incorporate regular physical activity into your routine. This can include strength training, cardio, or low-intensity activities such as walking or yoga. Check out our blog: 10 Exercises to Flatten Stomach for ideas. 
  • Get enough sleep and manage your stress levels as these factors can impact metabolism and weight loss efforts.
  • Can you get a flat stomach with intermittent fasting?

Intermittent fasting can help reduce belly fat and promote a flatter stomach, but it’s not the only factor that contributes to a toned midsection. 

Consistently following an overall healthy lifestyle that includes regular exercise and balanced nutrition is essential for long-term success in reducing belly fat and achieving a flat stomach (8).

In addition, genetics play a role in how your body stores and loses fat and some individuals may naturally carry more fat in their abdominal area, which makes it harder to achieve a completely flat stomach.

  • How can I reduce my belly fat?

You can reduce belly fat by creating a calorie deficit through a combination of intermittent fasting, healthy eating habits, and regular physical activity.

Your body usually stores fat as a way of storing energy for later use. When you create a calorie deficit, your body starts to burn the stored fat, including belly fat, which leads to weight loss.

Incorporating strength training into your exercise routine can also target and tone the abdominal muscles, which creates a more defined midsection.

The Bottom Line

Intermittent fasting is a powerful method for reducing belly fat. By incorporating these 9 belly fat burner hacks into your IF journey, you can maximize your results and achieve lasting success. 

It’s important to remember that patience, consistency, and a holistic approach to health and wellness are essential for sustainable weight loss and overall well-being. Remember to always consult a healthcare professional before you start any weight loss plan or make any significant changes to your lifestyle.


This article is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional advice or help and should not be relied on to make decisions of any kind. Any action you take upon the information presented in this article is strictly at your own risk and responsibility!


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  17. Losing Weight (2023,
  18. Obesity and overweight (2021,
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  22. Yes, drinking more water may help you lose weight (2020,
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