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This question already has an answer here:

Captain America's metabolism is four times faster than normal humans (Atleast in MCU). He can't get drunk as a result of this.

It got me wondered, how much does Captain America need to eat and poop? His appetite should be higher and he should digest foods faster.

marked as duplicate by Möoz, Stark07, alexwlchan, Daft, BESW Apr 22 '15 at 8:37

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  • I'm guessing 4 times as much... – Daft Apr 22 '15 at 7:27
  • @Daft Not necessarily. This is a complex thing. There are lots of unknown variables required for calculation. Maybe, canon addresses this. – Lobo Apr 22 '15 at 7:30
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    Your question is answered in the answer for the above question. I quote "but his altered metabolism might allow his body to transform food more efficiently." – Stark07 Apr 22 '15 at 8:08