Melatonin (MT) is one of the hormones secreted by the pineal gland of the brain. Melatonin belongs to the indole heterocyclic class of compounds. Melatonin can be widely used in health food, medicine, all kinds of cosmetics, and nourishing care products. Hande Bio-Tech provides Nutritional Supplement Raw Material Powder 98% Pure MT CAS 73-31-4 Melatonin. For more details, please contact us online.