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The Complete Guide to Fasting by Jason Fung
The Complete Guide to Fasting by Jason Fung












Those 500 calories could be taken all in a single meal. On the other two days, you could eat a total of 500 calories. Instead, the 5:2 diet consisted of 5 days of normal diet. The basic diet was not quite a 24-hour fasting period. The book, entitled “ The Fast Diet” became a best seller in the UK and soon other follow up books were released. With the BBC documentary and the book that soon followed, intense interest, especially in the UK followed. While there had been some fringe interest generated by pioneers such as Martin Berkhan and Brad Pilon, fasting had not really hit the mainstream yet. He appeared on a BBC program called Horizon entitled “ Eat, Fast, and Live Longer”. Michael Mosley, a TV producer and physician best known for popularizing this approach. In one study, fasting every other day did not produce any loss of lean body mass over 22 days, even as body weight steadily decreases.Īnother name for a similar fast is OMAD, short for One Meal A Day.Ī related approach is the 5:2 approach championed by Dr. Many studies have been done on this and these fears are largely misplaced, especially for overweight or obese individuals and for fasts less than three days. One of the main worries of fasting is the loss of lean body mass, or muscle.

The Complete Guide to Fasting by Jason Fung

You save an hour at lunchtime where you can work, and be home for dinner without anybody even realizing you had fasted for 24 hrs.įor weight loss, in our Fasting Method program, we’ll recommend this schedule of 24-hour fasting to be done as much as three times per week. There is no cleanup or cooking for breakfast. You work through lunch and get home in time for dinner, again. You simply drink your morning cup of joe, but skip breakfast. This is particularly easy during a workday. As you still eat dinner every day, it is possible to routinely fast for 24 hours without anybody knowing any different, since it really only means skipping breakfast and lunch on that day. Most people, for example will eat dinner with family every single day. The major advantage of 24-hour fasting is that it is easily incorporated into everyday life. For example, metformin, or iron supplements, or aspirin should all be taken with food and can be taken with the one meal on the fasting day. Because you still eat every day, medications that need to be taken with food can still be taken.

The Complete Guide to Fasting by Jason Fung

This period of fasting has several important aspects. This is very similar to the ‘Warrior’ style of fasting although that allows a 4-hour eating window so is technically a 20-hour fasting period. In this regimen, you do not actually go a full day without eating since you are still taking one meal on that ‘fasting’ day. For example, you would eat dinner at 7 pm and then fast until the next day’s dinner at 7 pm. A 24-hour fast lasts from dinner to dinner, or breakfast to breakfast, whatever you like.














The Complete Guide to Fasting by Jason Fung