Amino Acids

Amino acid precursor of nitric oxide associated with promoting cardiovascular health, immune support, sexual function, and memory.*

Amino acid precursor of nitric oxide associated with promoting cardiovascular health, immune support, sexual function, and memory.*

L-Arginine is an important amino acid for cardiovascular health and circulation by supporting nitric oxide formation.

L-Carnitine is an essential cofactor for several enzymes necessary for transport of free long chain fatty acids. It is intended to provide nutritive support for healthy cardiovascular function, energy, musculoskeletal function, and metabolic pathways.*

Highly stabilized form of l-carnitine supporting cardiovascular health and recovery from exercise^‡

Highly stabilized form of l-carnitine supporting cardiovascular health and recovery from exercise^‡

L-Carnitine is an important amino acid for cardiovascular health, mitochondrial support, and healthy utilization of fats by the body.

Supports fat metabolism, endurance during training and the healthy functioning of the heart and muscles*

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

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

L-Glutamine helps maintain intestinal integrity by supporting the health of the mucosal lining of the gastrointestinal tract.

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

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

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

PERQUE L-Histidine Guard™ supplementation can help restore optimum stomach acid production and in turn stimulate the secretion of gastric juices such as pepsin and hydrochloric acid.

Maintains healthy arginine production and supports the body's natural defenses.*

Maintains healthy arginine production and supports the body's natural defenses.*

​L-Lysine supports immune function and the body’s natural defenses including skin integrity around the lips.

L-Lysine is a basic building block of protein within the body. It is an essential amino acid in that it is required for human nutrition, but is not produced by the body.

Liver and tissue support*

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

Promotes relaxation; helps to moderate occasional stress*

Promotes relaxation; helps to moderate occasional stress*

L-Theanine is a naturally occurring amino acid found in green tea and is a derivative of glutamic acid, a major neurotransmitter in the brain.

Enhances serotonin synthesis for emotional well-being and restful sleep*

Enhances serotonin synthesis for emotional well-being and restful sleep*

Neurotransmitter precursor for mood and memory*