120 Veg Capsules (120 Servings) NOW 5-HTP (5-hydroxytryptophan) 100 mg, 120 capsules, vegan, lactose-free, gluten-free, halal, kosher, no genetic engineering 5-HTP (also called oxitriptan) is obtained from the seeds of the African black bean (Griffonia simplicifolia) 5-HTP is an amino acid which is the intermediate step between tryptophan and the important brain chemical serotonin Supported Goal: Boosts Serotonin (The Happy Hormone) Main Ingredient: 5-HTP (5-Hydroxytryptophan)