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Vitamin B1Energy and Metabolism100 mg Per CapsuleVitamin SupplementB-Vitamin Nutrition Your Body NeedsEssential for Optimum Mental and Physical HealthImportant in Energy Metabolism and Nerve Cell FunctionScience-Backed Quality Since 1969For a healthy mind and an active body B1 is one vitamin you can't be without! The first B- vitamin to be discovered thiamin plays crucial roles in energy metabolism and nerve cell function making it essential for the health of both mind and body. Because thiamin can't be stored in the body it's important to get a good supply every day. Swanson Vitamin B1 capsules are a convenient way to ensure that you meet your daily needs.