The original & exact formula: Magtein Magnesium L-Threonate 1,000 mg, L-Theanine 200 mg, and Apigenin 50 mg. A melatonin-free sleep supplement designed for adults, with no fillers or unnecessary ingredients.Manufactured in an NSF GMP Certified facility in the United States from non-GMO ingredients and third-party tested for purity and precise potency.