Joe the Aroma wrote:
> "Gregory Toomey" <[email protected]> wrote in message
> news:[email protected]...
>
>>I'm sure there must be plenty of info on this, this is an interesting
>>question that's pretty fundamental.
>>
>>My question is "What percentage of ingested calories are excreted?"
>>Say you are on 2000 calories per day, how many calories would the average
>>sedentary person excrete (urine/faeces)? 50% (1000 calories)? 30%? 80%?
>>I presume the remaining calories would be burned by the body.
>>
>>gtoomey
>
>
> It depends on the calories. Excess carbohydrates are stored as fat as we all
> know. Fiber, however, is not. Excess protein is excreted in urine. How much
> that's excreted depends upon your metabolic needs.
>
>
Protein is the only macronutrient furnishing the body useful nitrogen in
significant proportions (proteins are complexes of amino acids).
Excess protein is converted into fat (with little or no nitrogen) and
the nitrogen (actually the whole amino group of the amino acids that
make up protein) is excreeted in the urine.
It is easy to see how that is sometimes stated as "Excess protein is
excreeted in the urine".
The Mayo Clinic Kidney guy says this:
------------------------------------------
http://www.mayoclinic.com/health/high-protein-diets/AN00847
Your body can store only small amounts of excess protein. During
digestion and metabolism, protein is broken down into amino acids. These
are the building blocks of protein. Next, nitrogen is removed from these
extra amino acids. The nitrogen is processed by your liver and then
excreted in urine as waste.
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1) Eat Till SATISFIED, Not STUFFED... Atkins repeated 9 times in the book
2) Exercise: It's Non-Negotiable..... Chapter 22 title, Atkins book
3) Don't Diet Without Supplimental Nutrients... Chapter 23 title, Atkins
book
4) A sensible eating plan, and follow it. (Atkins, Self Made or Other)