Magna Shot B-12 (5000 mcg)Magna Shot B 12 5000 mcg w 400 mcg Folic Acid Sublingual SKU 221 60 This nutrient is involved in a variety of functions which work to assure the normal functioning of all cells. B 12 is needed to help with the metabolism of amino acids, supports the central nervous system and the gastrointestinal tract. B 12 also helps support red blood cell formation as well as the synthesis of DNA and it contributes to neural function. B 12 is the primary nutrient