Nature Made Vitamin B1 100 mg Tablets help support a healthy brain and provide nervous system support. Sourced from high quality ingredients, this gluten free B1 supplement is a dietary supplement that has no color added, no artificial flavors and no preservatives. This Nature Made B1 vitamin, also known as Thiamin, provides energy metabolism support(1). For those who dont receive enough B1 in their diet, these B1 dietary supplements can help. Adults take one of these B1 tablets daily with water and a meal. Nature Made supplements are quality you can trust. USP has tested and verified ingredients, potency and manufacturing process. USP sets official standards for dietary supplements. Visit the USP verified website for more information. (1)Helps convert food into cellular energy. *Based on a survey of pharmacists who recommend branded vitamins and supplements.