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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...

Pure L-Glutamine powder A key amino acid for intestinal health and immune function, providing 4 g of pure L-glutamine per serving.‡

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

Glutathione is the master antioxidant in the body and is heavily concentrated in tissues such as the liver, spleen and heart. It plays a crucial ro...

Maintains healthy arginine production and supports the body's natural defenses‡ Promotes healthy immune function‡ Helps maintain healthy gum and ...

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...

  Contains 500mg of Lysine (as L-lysine hydrochloride) USP per capsule.

Montiff’s L-Lysine aids in immune support.

Contains 375 mg of l-Methionine (free-form) per serving.

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

Powerful methylation, MTHFR, and homocysteine support Supports healthy cognition and mood Healthy genetic expression support

L-MethylFolate contains L-5-MTHF, the active methylated form of folate

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

Promotes relaxation and helps to moderate occasional stress Promotes relaxation‡ Helps moderate occasional stress‡ Made with hypoallergenic, veg...

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...

A dietary supplement that helps promote a restful state.* L-Theanine has shown the ability to promote deep muscle relaxation and improved quality o...

Naturally occurring amino acid supports stress management, relaxation and improved sleep quality.* Convenient, fast-acting liquid formula helps en...

HELPS PROMOTE A RESTFUL, RELAXED STATE* L-Theanine is an amino acid that helps promote a restful, relaxed state without diminishing daytime alertn...

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

Promotes relaxation and neurological health‡ L-Theanine supplies 100 mg of pure L-theanine in each vegetarian capsule. L-Theanine is an ...

L-theanine, a unique amino acid compound found in green tea, is noted for its calming benefits.* Suntheanine®brand pure L-theanine is produced...