How Often Should I Intermittent Fast?

Written by Andrew Brewer. ⚕️Reviewed and fact checked by our medical team.

How Often Should I Intermittent Fast

The number of intermittent fasting windows you partake in throughout the week will be based on a few different factors. Some intermittent fasters tend to fast every day of the week, hoping for decent results within a timely manner. Other intermittent fasters opt for a couple of days each week to be devoted to fasting and the rest to remain normal.

For some, the weekly schedule is what determines how often they fast throughout the week. For others, it’s a health risk to intermittent fast every day. For many, intermittent fasting is part of their daily routine and has cemented itself as a healthy habit that their body has adapted to.

So how often should I intermittent fast?

Let’s take a quick look at the many factors that go into deciding your weekly intermittent fasting schedule. These are just a few of the many factors that affect your intermittent fasting. If you’re concerned about any health risks that could be associated with your body while intermittent fasting, check with a healthcare professional to determine whether intermittent fasting is right for you.

Key Takeaways

  • The frequency of intermittent fasting should be based on individual factors such as health conditions, personal preferences, and the type of intermittent fasting method being used.
  • Intermittent fasting may not be suitable for everyone, especially those with certain health conditions. It’s important to consult with a healthcare professional before starting any new diet or lifestyle change.
  • If you’re feeling unhealthy or struggling to keep up with intermittent fasting, it’s okay to take some days off or cut back. Mental health is just as important as physical health, and intermittent fasting should be a fun and healthy way to lose weight, not a chore.
  • It’s important to note that intermittent fasting may have potential benefits, such as improved insulin sensitivity and decreased inflammation, but more research is needed to fully understand its effects.

The Types of Intermittent Fasting

One of the first deciders on how often you should intermittent fast is which intermittent fasting method you’re partaking in. Some types of intermittent fasting come equipped with a quick and ready answer to our question. Methods like the Eat-stop-eat method where you eat normally for most of the week and then fast for two non-consecutive days every week.

With intermittent fasting methods like these, fasting more than two times a week can be harmful to your body and could cause some negative side effects. The same can be said for the 5:2 diet – eating no more than 500 calories a day for two non-consecutive days throughout the week. These can be a bit more strenuous on the body and shouldn’t be done more than two days a week.

But what about hourly fasting methods like the 16:8 or the 20:4? How often should I intermittent fast if I’m partaking in these? When it comes to the hour fasting methods, a few more factors will go into how often you should intermittent fast.

Do You Have Any Health Risks?

The biggest deciding factor on how often you should fast throughout the week is what other health-related situations are affecting your body? If you have diabetes, then intermittent fasting might not be a good idea as you shouldn’t cut yourself off from food and risk low blood sugar.

If you have any preexisting conditions, check with your doctor to see if intermittent fasting is right for you.

It All Comes Down to You

In the end, the only thing that matters is whether or not you’re healthy. If you are in perfect health, eating well, exercising, intermittent fasting every day and you start to feel a decline in your well-being, feel free to cut back! Intermittent fasting is designed to help you lose weight while keeping you healthy. So, if you start to feel unhealthy while intermittent fasting, take some days off throughout the week.

If you’re struggling to get started with intermittent fasting, then perhaps doing it every day will give you the drive to stick with it. On the other hand, if you’re struggling to keep up with intermittent fasting, perhaps cutting yourself some slack with make it less of a chore and more of an activity.

Your mental health is just as important as how often you intermittent-fast and you don’t want to convince yourself that intermittent fasting is a chore. Once it becomes a negative influence on your life it will no longer work for you. Intermittent fasting should be a fun and healthy way for you to lose weight! So fast as often throughout the week as you deem fit for you.

Don’t forget to check our recommended fasting apps to make your intermittent fasting journey easier.


  • What are the benefits of intermittent fasting?

Intermittent fasting has been shown to have numerous health benefits, including weight loss, improved insulin sensitivity, reduced inflammation, and increased lifespan.

  • Can intermittent fasting be dangerous?

Intermittent fasting is generally safe for most people, but it can be dangerous for those with certain medical conditions, such as diabetes, low blood pressure, or a history of eating disorders.

  • What should I eat during intermittent fasting?

During the eating periods of intermittent fasting, it’s important to consume nutrient-dense foods that provide the body with the fuel it needs to function properly.

  • Can I drink water during intermittent fasting?

Yes, it is recommended to drink water or other non-caloric beverages during the fasting periods to stay hydrated and support the body’s natural detoxification processes.

  • How long should I fast during intermittent fasting?

The duration of the fast depends on the specific type of intermittent fasting being practiced. Some people fast for 16 hours and eat during an 8-hour window, while others may fast for 24 hours once or twice a week.

  • Can I exercise while intermittent fasting?

Yes, it is possible to exercise while intermittent fasting, but it’s important to listen to your body and adjust your workout intensity accordingly.

  • Is intermittent fasting effective for weight loss?

Intermittent fasting can be an effective tool for weight loss, as it helps to reduce calorie intake and promote fat burning. However, combining it with a healthy diet and regular exercise is important for the best results.

  • How do I start intermittent fasting?

To start intermittent fasting, it’s important to choose a method that works for you and gradually build up to longer fasting periods. Talking to your doctor before starting any new diet or exercise program is also important.

Andrew Brewer

Andrew Brewer

Andrew Brewer started to give people the guidance that he never received when he was first starting. His goal is to make your goals achievable and to offer you only the best fasting apps that the internet has to offer. You're not on your own - Andrew and the entire family of reviewers at are here with you every step of the way!