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Message from discussion Excess Protein -- Fat or Feces?
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JMW  
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 More options Sep 23 2006, 8:20 am
Newsgroups: misc.fitness.weights, sci.med.nutrition, alt.support.diet, alt.sport.weightlifting, misc.fitness.misc
From: JMW <jmwilli...@enforcergraphics.f2s.com>
Date: Sat, 23 Sep 2006 02:20:00 -0400
Subject: Re: Excess Protein -- Fat or Feces?

"Rachael Reynolds" <rachael.reyno...@mac.com> wrote:

>"NYC XYZ" <jack_foreig...@yahoo.com> wrote:

>> LOL -- but seriously, I heard or read once that excess protein is
>> simply excreted out.  I also read, much more often, that excess protein
>> becomes fat (and I thought only excess carbs can become fat).

>> So what, exactly, is excreted in the form of feces?  (If you must quip
>> -- please make it funny, at least.)  I know most of it is intestinal
>> bacteria, but what exactly is the "waste"??  Okay, fiber, and make that
>> grit of sand which wasn't washed off from your lettuce...but what else?

>> I ask 'cause it seems awfully wasteful if excess protein is what's
>> excreted...at the same time, I guess that's better than the body
>> building more fat cells to imprision it!  Such a chore getting all
>> three things -- training, diet, and rest -- right at the same time
>> regularly over the long-haul....

>The body can't store excess protein as protein so it does a combination of
>two things - breaks it down in the liver and pees it out (not feces, but
>pee) and some it breaks down and stores as fat.  There is certainly no
>benefit to excess protein.

Protein breaks down into constituent amino acids.

It's the amino acids that are metabolized in the liver.

You only pee out the urea.

The remaining carbon skeleton can be converted to either glycogen or
fatty acids, depending on the amino acid that was deaminated.


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