eli5 Where does fat go when you lose it?

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Where does fat go when you lose weight? does it disintegrate inside your body? Does it get turned into other internal stuff? What happens to it?

In: Biology

22 Answers

Anonymous 0 Comments

Mostly exhalation. You generally breathe it out.

There is excrement (poo) and urination (pee) and sweat that passes a lot of liquid and solids out of your body, but stored fat doesn’t move back into your digestive tract to leave through the anus or urethra (butt or front genitalia).

Fat is broken down and, at least partially, exhaled through your breath. Probably small numbers of molecules are passed through sweat, but most of the actual “weight” (or mass) is exhaled.

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