I've read in different locations that taking creatine & L-Glutamine in the same serving is not as benifical as taking them by themselves but different times. I also see various products which have both in them, but not the same amount of each in a serving.
I came accross the following:
http://eas.com/nutrition/faq.asp?cmsId=1091
Quote:
Q: If you take creatine and glutamine together, will they compete for absorption?
A: Muscle cells do have what is referred to as a "sodium-potassium pump," a "valve" that allows certain nutrients to both enter and exit. Both creatine and glutamine enter the muscle cell through this pump, however, the actual mineral, sodium has nothing to do with that process. It is incredibly difficult (and by practical means nearly impossible) to overload this pump to the point at which glutamine and creatine would be competing for entry. Neither creatine nor glutamine needs to bind to a sodium molecule for absorption into muscle cells. Creatine binds to a phosphate molecule, which then becomes phosphocreatine. Phosphocreatine is stored in muscle cells to be used as an energy source. Glutamine is a free form, "conditionally essential" amino acid that is prevalent throughout the body. Glutamine is necessary for a variety of functions in the body such as tissue repair and cell volumization. Glutamine does not bind to a sodium molecule for absorption, and is readily utilized throughout the body.
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What are your thoughts on this topic? Is this another highly debated topic without much scientific proof?
Discuss..