Introduced in 1934 Cataplex® B2 is a vitamin B2 supplement containing 100% of the daily value of riboflavin (also known as B2), and maintains nerve health.* Cataplex B2 provides a suite of B vitamins once termed the “G Complex” including riboflavin, niacin, and vitamin B6. G Complex vitamins provide essential nutritional support for: Brain health, including neurotransmitters synthesis* Vasodilation pathways* Healthy liver function and lipid metabolism*