A grouping of individual vitamins, B vitamins are used to support energy metabolism and the nervous system.* Each B vitamin in Vitamin World’s B-Complex 100 (Formerly known as Mega B-100) performs a unique role in maintaining proper metabolic functioning and is essential for well-being.* When taken together in a complex formula, the B Vitamins help to maintain the health of the nervous system, skin, and hair.* Taking a high-potency complex of B vitamins helps safeguard a sufficient daily intake. Support for heart health and a healthy nervous system* Promotes a healthy nervous system and proper cell growth* Timed release for optimal absorption