Be aware: this is only the goal of this diet, not necessarily its outcome. Results vary from person to person. Consult your doctor or dietician before starting this (or any other) diet.
This diet was created by Timothy Ferriss, the author of the book 4-hour body plan. The diet is low in carbohydrates, high in protein and has a few notable aspects, for example, that 4 hours of exercise per month can be enough.
The goal of the diet is to get a lower fat percentage.
On the homepage you can compare this diet with other diets.
The 4-hour Body Plan has 5 main rules:
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Ferriss recommends fasting for 19 hours a day. In the remaining 5 hours you eat as much as necessary to satisfy your hunger.
As an alternative to intermittent fasting, Ferriss gives the option of eating little every other day. On those days you would eat 50-80% fewer calories than necessary. Please note: consuming very few calories a day can be bad for you.
Consult your doctor or dietician before starting this (or any) diet, especially if you have diabetes.
Timothy Ferriss wrote the 4-hour Body Plan (paid link). You can read more about this diet in his book.
Beyond the 4-hour body plan, Tim Ferris wrote several other books. We've listed them as ad links from Amazon, Apple and Ebooks below:
There's also a summary on the 4-hour Body Plan as audiobook. You can listen to a preview below.
This page has been checked, and warnings have been added by, Jolande, dietician. Read more here.
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Four hours per month or as you see fit.
Seems very one-sided to me, choosing the same thing all the time and only being allowed to eat in a 4-hour period. Hard to maintain.