Amino acids

Optimized Carnitine contains carnitine, a natural amino acid derivative that is found in almost every cell of the human body, helping to burn fatty acids to produce fuel for the mitochondria, which are responsible for the production of cellular energy. H

Tryptophan is an essential amino acid and a precursor of serotonin, a neurotransmitter that is associated with positive mood, relaxation and restful sleep. Adequate supplies of tryptophan are required to ensure optimum serotonin levels, and this can be ac

Life Extension L-Lysine, 620 mg 100 Vegetarian Capsules

Glycine is a conditionally essential amino acid that works as both an inhibitory and excitatory neurotransmitter. Glycine is chemically one of the simplest and at the same time most ubiquitous of all amino acids. It is found in proteins of all life forms,

Taurine is the most abundant intracellular amino acid in the human body and is found particularly in the excitable tissues of the central nervous system, where it is thought to have a regulating effect and can help to reduce stress. It is also used as a h

Life Extension L-Taurine Powder, 300 Grams, 2-pack

Life Extension L-Taurine Powder, 300 grams

Life Extension L-glutamine Powder, 100 Grams, 5-packs

Life Extension L-Glutamine Powder, 100 Grams

Life Extension L-Glutamine, 500 Mg 100 Capsules, 3-pack

Life Extension L-Glutamine Powder, 100 grams, 2-packs

Life Extension L-Lysine, 620 Mg 100 Vegetarian Capsules, 3-pack