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L-Glutamine, the most abundant amino acid in the body, is an important constituent of proteins and participates in many key metabolic processes.* ...

L-glutamine is a primary energy source for intestinal immune cells and a major amino in muscle tissue. The body’s ability to produce adequate amoun...

Glutamine, the most abundant amino acid in the body, helps form other amino acids, glucose, protein, and glutathione. Glutamine is stored in the ...

Helps with muscle cell repair post-exercise and promotes gastrointestinal and immune system health* L-glutamine is an amino acid that supports a he...

L-Glutamine is the most abundant amino acid in the body and is necessary for the maintenance of many metabolic functions. Under situations of stre...

Glutamine, the most abundant amino acid in the body, is an important constituent of proteins and participates in many key metabolic processes.* Gl...

Nutritionally supports the mucosal lining and the healthy functioning of the gastrointestinal tract, as well as lean muscle mass Supports gastroin...

Helps with muscle cell repair post-exercise and promotes gastrointestinal and immune system health* L-glutamine is an amino acid that supports a h...

Essential amino acid One of the 9 essential amino acids that must be obtained from food, L-lysine is a key player in enzyme production, collagen f...

L-Lysine is an amino acid essential in human physiology. Lysine is vital for normal growth and for the manufacture of collagen, a substance import...

Lysine is an essential amino acid necessary for protein synthesis and to help maintain nitrogen balance in the body*. It provides nutritional supp...

L-Methionine 500 mg capsule L-Methionine supplies 500 mg of this essential amino acid.

L-Serine 500 mg capsule L-Serine supplies 500 mg of the amino acid in each capsule.

L-Theanine is a naturally occurring, unique amino acid found in green tea leaves. L-theanine has been found to reduce stress by promoting relaxati...

L-Theanine is a unique amino acid present almost exclusively in the tea plant (Camellia sinensis).* Theanine helps maintain a sense of well-being ...

L-Tryptophan is an essential amino acid; therefore, it is not synthesized by the body and must be obtained from the diet. In the brain, Tryptophan...

L-tryptophan is an essential amino acid; therefore, it is not synthesized by the body and must be obtained from the diet. In the brain, tryptophan...

Essential amino acid This essential alpha-amino acid helps make proteins and brain-signaling chemicals like the neurotransmitters serotonin and mel...

Glutathione is found in virtually every cell of the body and plays a critical role in protein synthesis, enzyme function, transport, and cell matur...

This derivative of the amino acid cysteine is often used as the preferred substrate for intracellular glutathione synthesis. It also assists liver...