NOW Foods, L-Lysine Powder, 1 lb Fatty Acids The essential amino acid l-tryptophan

The essential amino acid l-tryptophan is the precursor for the synthesis of both melatonin and serotonin

This powder is a non-bitter

Vitamin D is produced by your body and is therefore not strictly classified as an essential nutrient

Citrus Bioflavonoids - Antioxidants that help fight aging process

NOW Foods, L-Lysine Powder, 1 lb Fatty Acids The essential amino acid l-tryptophanDescription Pure Powder Supports Collagen Synthesis Healthy Immune Function Lysine is an essential amino acid that must be obtained through the diet or through supplementation. Lysine is necessary for the production of all proteins in the body, and is required for the maintenance of the structural proteins collagen and elastin, which form all connective tissue such as skin, tendon, and bone. Lysine is also a precursor to carnitine, which is needed for