100 mg RIBOFLAVIN: Vitamin B-2, also known as riboflavin, is a member of the B-vitamin family. ENERGY PRODUCTION*: Riboflavin is an important enzyme cofactor necessary for energy production from carbohydrate, fat, and protein.* It is also needed for the regeneration of glutathione, which supports the body's natural defense mechanisms and detoxification systems.* CERTIFICATIONS/CLASSIFICATIONS: Non-GMO, Soy Free, Sugar Free, Corn Free, Low Sodium, Made without Gluten, Dairy Free, Egg Free GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation). Packaged in the USA by a family owned and operated company since 1968