Question: is natrol melatonin usp verified?
Answer: Our Natrol Melatonin products — the #1 selling brand of Melatonin in the U.S. — and our Natrol Biotin products have successfully been audited by United States Pharmacopeia (USP) Good Manufacturing Practice (GMP) Quality Systems and has passed the highest quality audit available in the U.S. in the Dietary Supplement ...