VitalsL-tryptophan 400 mg

L-Tryptophan is an essential amino acid, which means that the body cannot produce it on its own and it must be obtained through diet or supplements.

L-Tryptophan is one of the few essential amino acids and is less commonly available in supplement form compared to, for instance, L-lysine or L-glutamine. Unlike some other amino acids, tryptophan must always be obtained through diet or a supplement.

Essential amino acids cannot be produced by the body and must be obtained through diet or supplements. Non-essential amino acids can be produced by the body from other nutrients. L-Tryptophan is an essential amino acid.