How To To 20/4 Intermittent Fasting And What Are The Benefits

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20/4 intermittent fasting

Intermittent fasting is a popular weight loss and health improvement strategy that involves restricting your food intake for certain periods of time. One specific type of intermittent fasting is the 20/4 method, which involves eating during a 4-hour window and fasting for the remaining 20 hours of the day.

This type of fasting can have various benefits for your health, including weight loss, improved insulin sensitivity, and reduced inflammation. In this article, we will explore how to do the 20/4 intermittent fasting method and the potential benefits of 20/4 intermittent fasting.

How does the 20/4 protocol work?

Essentially, you will fast for 20 hours out of every 24-hour period and then eat your meals during the remaining 4-hour window. For example, you might eat your first meal at 4 PM and your last meal at 8 PM, followed by a 20-hour fast until noon the next day. Some people prefer to eat their meals earlier in the evening, while others prefer to eat later. The key is to find a schedule that works for you and stick to it consistently.

One of the main mechanisms by which intermittent fasting works is by altering the levels of certain hormones in the body. When we fast, our bodies release growth hormones and norepinephrine, which can help to boost our metabolism and burn more fat. In addition, fasting can increase the production of the hormone ghrelin, which is responsible for stimulating hunger. As a result, when we break our fast, we may feel hungrier and be more likely to eat a larger meal.

Here are some tips for successfully following the 20/4 intermittent fasting method:

  1. Choose a 4-hour window that works for you: It is important to select a 4-hour window that fits your lifestyle and schedule. Some people may prefer to eat early in the day, while others may prefer to eat later in the evening.
  2. Don’t try to compensate for the fast by overeating: It is common for people to feel hungrier during the eating window when following intermittent fasting. However, it is important not to overcompensate for the fast by eating excessively during the eating window. It is important to still follow a healthy, balanced diet and to listen to your body’s hunger and fullness cues.
  3. Stay hydrated: It is important to stay hydrated during the fasting period by drinking plenty of water and calorie-free beverages. This can help to reduce hunger and keep your energy levels up.
  4. Gradually work up to the full 20/4 fasting schedule: If you are new to intermittent fasting, it may be helpful to gradually work up to the full 20/4 fasting schedule. You can start by gradually increasing the length of your fasting periods until you are able to comfortably fast for 20 hours.

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Benefits of 20/4 Intermittent Fasting

There are several potential benefits to following the 20/4 intermittent fasting method. Some of the most notable benefits include:

  1. Weight loss: Intermittent fasting has been shown to be an effective weight loss strategy, and the 20/4 method is no exception. By restricting your food intake to a 4-hour window each day, you are likely to consume fewer calories overall, which can lead to weight loss.
  2. Improved insulin sensitivity: Intermittent fasting has been shown to improve insulin sensitivity, which can help to reduce the risk of developing type 2 diabetes. Improved insulin sensitivity means that your body is better able to use glucose, which can help to keep your blood sugar levels stable.
  3. Reduced inflammation: Some research suggests that intermittent fasting may help to reduce inflammation in the body. Chronic inflammation has been linked to a range of health problems, including heart disease and cancer.
  4. Increased lifespan: Some studies have suggested that intermittent fasting may help to increase lifespan by promoting the production of certain proteins that are involved in the aging process.
  5. Improved mental clarity: Some people report feeling more mentally alert and focused after following an intermittent fasting schedule. This may be due to the fact that fasting can help to improve brain function by increasing the production of a protein called brain-derived neurotrophic factor (BDNF).
weight loss after 20/4 intermittent fasting

In conclusion, the 20/4 intermittent fasting method is a simple and effective way to improve your health and well-being. By restricting your food intake to a 4-hour window each day and fasting for the remaining 20 hours, you can potentially experience benefits such as weight loss, improved insulin sensitivity, reduced inflammation, and increased lifespan.

If you are considering trying the 20/4 intermittent fasting method, it is important to speak with your healthcare provider to determine if it is appropriate for you and to ensure that you are following a healthy, balanced diet during the eating window. With careful planning and a gradual approach, the 20/4 intermittent fasting method can be a safe and effective way to improve your health and achieve your wellness goals.


If you want try fasting (but want a easier way to start), check out the new Pruvit i-Fast 5 Day Intermittent Fasting system, or the 60 hour Keto Reboot kit. 2 great ways to get started with coaching and support included.

Raj Patel Keto Coach and Pruvit Product Expert-Profile-Photo

About Raj – The keto coach.

Achieve Long Lasting Fat Loss & Health, with a Keto Diet Coach who has helped over 4000+ people around the world.

My expertise with the Ketogenic Diet and Pruvit Products is based off my personal experiences as well as of my clients. I want to state, that I am not a medical doctor – But what I am is a Real Person, with Real Results who has helped and educated over 4800 people about the physical and health benefits of living a ketogenic / low carb lifestyle with the support of supplementation. Look for my new content coming about ketovore, intermittent fasting and carnivore as well!