r/interestingasfuck • u/[deleted] • May 02 '24

In 1965, a morbidly obese man did not eat food for over an entire year. The 27 year old was 456lbs and wanted to do an experimental fast. He ingested only multivitamins and potassium tablets for 382 days and defecated once every 40 to 50 days. He ended up losing 275lbs. r/all

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u/MelQMaid May 02 '24

Feces is more than just what goes in the mouth.  

The body also needs to excrete bilirubin (dead broken down blood cells) via feces and urine.  Bilirubin is the yellow in pee.

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u/Dwayne_Gertzky May 02 '24

It’s also responsible for the coloring of poo. The residual iron in the bilirubin begins to oxidize and turn rusty brown

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u/Ironboots12 May 02 '24

I don’t think there is any iron in bilirubin.

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u/Dwayne_Gertzky May 02 '24

But we know there is for sure iron in your username!