Nature's Bounty has developed a variety of B Vitamin Complexes to suit your individual needs, made up of several vitamins that work well together to support nervous system health.* Each nutrient in the B Complexes perform a unique role in maintaining proper metabolic functioning and is essential for well being.* B Complex vitamins also promote energy metabolism.**  Note: Unless otherwise noted, this product has not been evaluated by the Food and Drug Administration. Our natural products are not intended to diagnose, treat, cure, or prevent any disease.