Vitamin B-1, or Thiamin, is a water-soluble vitamin known for its ability to bolster the nervous system.* Like the other vitamins in the B Complex, Vitamin B-1 helps to maintain proper metabolic functioning and is essential for well-being.* In addition to contributing to energy metabolism, Vitamin B-1 aids in carbohydrate and sugar metabolism.* Athletes and those who engage in regular, intense exercise may require additional intakes of this important vitamin.