NOW Foods L-Tryptophan 500 mg - 120 Veg Capsules

Now Foods L-Tryptophan supports relaxation and is pharmaceutical grade.?Now Foods L-Tryptophan encourages positive mood?and? Promotes Restful Sleep. Now Foods L-Tryptophan is a vegetarian formula.? Now Foods?L-Tryptophan is an essential amino acid important in human nutrition for the synthesis of melatonin and serotonin, hormones regulating mood and synthesis of melatonin and serotonin, hormones regulating mood and stress response. Now Foods L-Tryptophan helps support relaxation, sleep, positive mood and immune function. As an essential amino acid, it is not synthesized by the body and must be obtained from the diet. Now Foods?L-Tryptophan is pharmaceutically pure - every lot is tested to be free of Peak E and microbial contamination.