Natrol Easy-C is a high potency antioxidant that contains esterified vitamin C. It's a dietary supplement formulated to reduce vitamin Cs usual acidity, making esterified vitamin C easy-on-the-stomach. Our Natrol facilities have successfully been audited to NSF International GMP Certified NSF/ANSI 455-2 Good Manufacturing Practice (GMP) for Dietary Supplements, which is one of the highest quality audits available in the U.S. in the Dietary Supplement Manufacturing category. Natrol is dedicated to creating innovative, quality products, to help you maintain good health and thrive in your busy, modern lifestyle. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any diseases.^Nielsen, xAOC, 52 weeks ending 07/01/23, Sleep Aid Supplements