Look up glucogenesis.
PJA that would be GlucoNEOgenesis.
What basically happens is that amino acids are broken into an amino group and a reminding carbon skeleton. The amino group is excreted via the production of uric acid. The rest is used for the maintenance of tissue and replenishment of metabolites, or used as energy via the production of glycogen or by entering the Krebs cycle.
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I try to keep my protein between 1-1.25g per pound of bodyweight. That is supposed to be the amount required to maintain and build muscle for active people. If you are not active you could probably get by on .75g of protein per pound or maybe even a little less.
Based on what I've read on these boards and in other books/articles, I don't think you want to be as liberal with protein as you are with fat. I think it is better to have a diet that is 60% fat, than one that is 60% protein if you are looking to control your weight.
Is the oft quoted 1gm/lb body mass recommendation for protein intake, for active individuals, a level which causes negligible Gluconeogenesis, hence minimal insulin response ?
I'm particularly interested b/c I am attempting to gain muscle using the paleo diet and presume that just ramping up your protein intake along with fat will result in greater insulin production and fat storage, particularly in the presence of very high dietary fat.
I'm not sure Andrew. I do know that almost everyone that has added muscle has added a bit of fat to go along with it. That's why most bodybuilders go through bulking and cutting cycles. I've heard of some guys trying to do "clean" bulks where they add muscle without fat but I'm not sure anyone has the formula down for it.
Also keep in mind that most bodybuilders are trying to get down to single digit bodyfat levels when they cut and some of them may consider 12-15% bodyfat levels to be fat. So it may be possible to add muscle and keep bodyfat in the 12-15% range.
Ross Enamait did a "clean bulk" trial. He called it his "Mass Building Experimet". He routinely keeps single digit body fat and he is not a bodybuilder. He focuses on athletic performance, primarily for combat athletes. His site is a great resource.
The details can be found here:
The corresponding forum thread can be found here(if you're interested):