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Natural Scientific Natural Vitamin B1 (Thiamine) is a plant-based, organic vitamin B1 supplement derived from Guava and Tulsi, providing a highly potent daily dose of 100 mg of vitamin B1.* 
Our Natural Vitamin B1 (Thiamine) supplement stands out for its commitment to enhanced bioavailability and easy absorption, setting it apart from synthetic alternatives like thiamine hydrochloride and thiamine mononitrate. Embracing a holistic approach, this product caters to individuals seeking supplements with minimal additives or allergens. The inclusion of Guava and Tulsi extracts complements vitamin B1 with additional beneficial phytonutrients, vitamins and minerals contributing to a comprehensive, natural, and well-rounded nutritional profile.*