What is the upper threshold of weight you can gain in a 24hr period?

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By ‘weight gain’ I mean weight that would be retained once the food/liquid has passed. So muscle mass and fat gained.

(Simplified) The upper threshold of weightloss is calories in calories out. If I eat nothing in a day I will lose the amount of weight my body burned. Approx 3500cal/lbs.

What is the upper threshold of weight gain? I presume my body can only produce so much muscle and store so much fat in a given time period. If I managed to stuff 35,000 calories down my gullet, I wouldn’t gain 10lbs. Most of it would pass unused.

In: Biology

9 Answers

Anonymous 0 Comments

The biology of weight is insanely complicated. If we ignore water weight, it’s a twisted nest of feedback loops designed to keep weight at a particular set point. So, even with the exact same diet, every person will react differently.

And as you guessed, not all calories are equal. You overload with fat, you’ll just crap it out. You take in the wrong mix of proteins (like a ton of collagen) you’ll pee it out. You take in too many carbs, you’ll probably pee those out too.

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