OverviewVitamin B-1 formula provides you with 100mg of thiamine HCI per tablet. Vitamin B-1 is needed to maintain the health of nerves, skin, and red blood cells.Nervous System SupportSupports Heart HealthPromotes EnergyFor additional formula information, view the Supplement Facts panel.All Windmill supplements are manufactured in the United States in an FDA-inspected facility whose cGMP (current Good Manufacturing Practice)are independently verified by qualified certification organizations.Free of artificial colors, flavors and preservatives, Windmill is a trusted name that has been providing America with quality supplements for over 45 years.ComponentsVitamin B 1 (as thiamin HCI)) 100 mgcalcium (as dicalcium phosphate) 70 mGluten FreeHow to UseTake one tablet daily as a dietary supplement or as directed by a healthcare professional.