Doctor's Best - L-tryptophan 500mg - 90 Vegetarian Capsules

Doctor's best science-based nutrition l-tryptophan with tryptopure dietary supplement contains tryptopure, a highly purified essential amino acid that your body must obtain from outside sources. This amino acid helps boost serotonin production, which promotes restful sleep and a balanced mood. We manufacture this supplement to meet the purity standards of both the japanese pharmacopeia (jp) and the united states pharmacopeia (usp). This bottle contains 90 veggie caps of l-tryptophan supplement.Ingredients:Hypromellose (vegetarian capsule), microcrystalline cellulose, calcium laurate.