MY EXPERIENCE WITH 36 HOURS OF FASTING

We live in a time when food is almost always within reach. Can we even imagine fasting for day?

I was very interested in this question.

I have tried to look into fasting on my own: 36 hours of fasting followed by a 12 hours of eating window. That was my eating routine for 34 days.* This lifestyle included a regular physical activity (3 to 4 times a week) in the form of strength training in the gym. The day of training was not influenced by the eating regime, that means I exercised regardless of whether I ate that day or not. During the fasting I drank clean water. sugarfree tea or coffee. In eating window I usually ate twice a day, I did not count my energy or nutritional intake. 

At the beginning and at the end of the experiment I measured my body composition (I tried to keep the same conditions for measurements).

Here are my results. 

  • Loss of 2% body fat
  • Resting metabolism did not decrease
  • (Musle mass and resting metabolism increased unsignificantly.)

Body composition after experiment (InBody 230)

Body composition before experiment

I would like to point out that I know that a month is a short time and loss of 2% fat means nothing. But for me is very interesting that the weight loss came from fat, not from muscle mass.

The result pleased me because I am not a supporter of high frequent eating. Almost constant value of my resting metabolism was also interesting for me, because we can often hear that if we do not eat, we will slow down our resting metabolism.

This experiment was perfect experience for me. It brought me a great enjoyment of food, more time for working and although it may seem surprising, I did not suffer from lack of energy.

I would not like you to understand this post to stop eating if you want to lose weight. If you really thought it, please read this post to its end. I would like to share other experience with you: most overweight or obese people who come to my nutrition office do not have an increased proportion of body fat because they eat from morning to evening. Often behind their increased body fat is the fact that they starve. I want to say that fasting also has rules that must be followed to avoid starvation.

Fasting is a controlled state without energy intake that you can stop if you feel sick. But starvation is involuntary.

Moreover, fasting is not suitable for everyone. Therefore, do not try it without consulting your doctor or dietitian. Unsuitable fasting conditions can lead not only to increased body fat, but also to other health problems.

* Because this experiment took place during Christmas and family celebrations, sometimes I ate for 2 days or fasted longer, for example 42 hours.

 

 

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