Fortified with rice bran, each tablet supplies a precise daily measure of Vitamin B-1 (as thiamine HCl). As do all of the B-vitamins, Vitamin B-1 has a broad range of physiological roles and benefits, but is best known for its fortifying action to help in metabolizing carbohydrates, a major source of cellular energy. Nature's Plus brand vitamins are manufactured according to the highest standards, with advanced quality control techniques always applied.*  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.