Arginine

Arginine appears in 7 commercial supplement products across 7 brands in this SuppDB sample, at per-serving doses ranging 100–700 mg. It is catalogued as a amino acid ingredient, supplied in forms such as L-Arginine, L-Arginine Hydrochloride, and Arginine Pyroglutamate. Its NIH PubChem record lists molecular formula C6H14N4O2, a molecular weight of 174.2 g/mol, and InChIKey ODKSFYDXXFIFQN-BYPYZUCNSA-N.