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Advanced Nutrition by Zahler®Potent Energy BoosterPick Me UpDietary SupplementFeel Better EverydayKosher PareveThis Product was Manufactured in a GMP Certified FacilityNon-GMOGluten FreeSoy FreeDairy FreeVegetarian FriendlyAdvanced Vitamin CVitamin B12 is essential for many critical functions in the body including energy production DNA synthesis brain and nervous system functioning and blood formation.