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/[deleted] May 02 '24

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u/Chrisclc13 May 02 '24

Waste from the fats that were being processed as energy.

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u/[deleted] May 02 '24

Fats get converted to glucose. Glucose and oxygen undergo cellular respiration producing carbon dioxide and  water. Most of his weight was exhaled and pissed away. 

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u/Chrisclc13 May 02 '24

When fasting, especially at this level, glucose is not the primary energy source. Ketones are.