L-tryptophan
An essential amino acid, meaning one your body can't make on its own, so it has to come from your diet. L-tryptophan is the body's natural precursor to both serotonin and melatonin, which it produces itself. 500 mg per daily dose.
An essential amino acid, meaning one your body can't make on its own, so it has to come from your diet. L-tryptophan is the body's natural precursor to both serotonin and melatonin, which it produces itself. 500 mg per daily dose.