Tryptophan
L-Tryptophan is an essential amino acid. Essential amino acids are not produced by the body and must be obtained in the diet. L-Tryptophan is a precursor from which the body makes serotonin.
L-Tryptophan is an essential amino acid. Essential amino acids are not produced by the body and must be obtained in the diet. L-Tryptophan is a precursor from which the body makes serotonin.