Louis Bryant Training Systems
 
The biggest protein myth is that you can only digest 30 grams of protein at
  one time. Find out what's wrong with this belief and just how much protein you
  need. This is a common question. I also get variations such as, how much
protein  can you digest at one time?


There are two ways to answer this, because there really two questions being
  asked.


1) How much protein can the digestive system physically absorb into the
  bloodstream from a meal?


And the MORE IMPORTANT QUESTION...


2) How much protein can you body actually utilize?


The answers...


1) About 95% and higher, unless you have some type of digestive system
  malfunction.


So if you get convinced by supplement companies to drink a 42g protein shake
  in 5 minutes, you'll still probably absorb at 38 or more grams of that
  protein.


Your muscle growth is not limited by the amount of protein you can DIGEST or
  ABSORB.


Your muscle growth IS LIMITED by the amount of protein that your body can
  utilize for protein synthesis.


So the answer to #2...


2) A lot less than you think.


You really don't need 40, or 30, or probably even 20g of protein per meal to
  keep your protein synthesis humming along. See Nutrition Help Expert Brad
  Pilon's post on "How Much Protein Do We Really Need"


Any protein that your body can't use for growth will be shuttled into a
  process where it is broken down (de-aminated: meaning the nitrogen is removed
  from the molecule and it becomes a carbon skeleton) to be used in energy
  pathways.


Now, there are benefits for eating extra protein (in my opinion) when
  dieting, mainly that it helps to suppress appetite.


But the bottom line to the question I am asked almost everyday is...


a) Your body can digest and absorb almost all of the protein you eat without
  problem.


b) Your muscles can only do so much with protein...the muscle growth process
  is RARELY, if ever limited by the amount of protein we consume. Almost all of
us  can easily get enough protein for maximum muscle growth without the need for
  eating 50g of protein 6 times per day. Ronnie Coleman, Jay Cutler, and Gunter
  Schlerkcamp excluded, of course.

 Overall, I'd think twice about the need to slam down a 40-50g protein 
  shake...just think of the children and puppies you'll save by not gassing them
  out with protein farts.
Real food should cover all your protein needs.



Article
  Source: http://EzineArticles.com/721734



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