Energy Production Riboflavin Non-GMO A Dietary Supplement Vitamins Family Owned Since 1968 GMP Quality AssuredVitamin B-2 also known as Riboflavin is a member of the B-vitamin family. It occurs naturally in green vegetables liver kidneys wheat germ milk eggs cheese and fish. 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 bodys natural defense mechanisms and detoxification systems.