Thiamine HCl is a form of thiamine (vitamin B1) that has been bonded with hydrochloride (HCl) to improve absorption. Thiamine HCl is a water-soluble vitamin that is essential in the metabolic process of the body. Thiamine HCl supports healthy metabolic function. It also supports the eyes, kidneys, nervous system, and brain.* Thiamine HCl aids memory and cognition and helps promote recovery after strenuous exercise.** These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.