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Question about 24hr fasts + OMAD

Using very basic calculations, if we can assume 1 period of a 24hr fast = 0.5lb burned, it would take 20 days of 24hr fasts to burn 10lbs, right?

Given the above, how does this work with OMAD at maintenance?

If you do a 24hr fast, OMAD and the back to a 24hr fast, would you then be able to assume it would take 40 days to lose 10lbs?

Curious as to how you could technically calculate this sort of thing to have an idea of how OMAD would work. Thanks!

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Answer

hypothetically, let’s say your 30-day maintenance calories are 54,000; your 7-day maintenance calories are 12,600; daily, that’s 1,800 calories.

OMAD, 23 hr fasts, eaten at 6:00 pm every day:

sunday - 1,800

monday - 1,800

tuesday - 1,800

wednesday - 1,800

thursday - 1,800

friday - 1,800

saturday - 1,800

as you can see, weight is maintained throughout the week despite 23 hr fasts. this is because your body burns stored fat calories up until that 1,800 calorie meal. once eaten, you only use some of those calories; the rest gradually gets stored as fat because it is too much to use all at once, but you will simultaneously, gradually burn more fat for another 23 hr cycle, equaling 1,800 in a 23 - 24 hr period.

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if you want to actually lose fat, 1 lb per week, your 6:00 pm OMAD would look like this:

sunday - 1,300

monday - 1,300

tuesday - 1,300

wednesday - 1,300

thursday - 1,300

friday - 1,300

saturday - 1,300

the only difference between this example and the first, is that now your body is burning 500 more calories of its stored fat to meet its 1,800 energy needs. this results in a weekly deficit of -3,500 calories. you have lost 1 lb.

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if you want to lose a half pound in fat in 20 days, then a whopping -1,800 calorie deficit must be induced each day to lose 3.6 lbs in one week:

sunday - 0

monday - 0

tuesday - 0

wednesday - 0

thursday - 0

friday - 0

saturday - 0

to lose more than this, you will need to add physical activity during these deficits to create a larger deficit, but i dont think you will feel too good losing at a faster rate than this.

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