B-1 (Thiamin) promotes nervous system health and supports energy metabolism.* Athletes and those engaged in intense exercise may require additional thiamin intake.* Thiamin helps provide nourishment for the stress of daily living, and Sundown's B-1 delivers 100 mg of Thiamin per serving, which can support energy and carbohydrate metabolism.*
*  Note: Unless otherwise noted, products on our web site have not been evaluated by the Food and Drug Administration. They are not intended to diagnose, treat, cure, or prevent any disease.