L-glutamine remains the supplement of choice for many bodybuilders. It is a free form amino acid that can be found naturally in beans, meat, fish, poultry and dairy products. It is also an important component of protein powders and is one of the twenty non-essential amino acids found in the body. It is widespread throughout the body and plays an important role in protein metabolism. From a bodybuilder’s perspective, glutamine’s strength is its ability to reduce the amount of muscle deteriorati