Bioactive B12 - Jarrow Formulas Methyl B-12 (methylcobalamin) is the biologically active coenzyme form of vitamin B12; It is a biologically active form of vitamin B12 that helps support cellular energy function, sleep, mood, and maintains brain health. Clinical studies show methyl B12 supplementation can be useful for vitamin B12 deficient people, especially vegetarians, vegans, and people over 50. Better Recognized & Delivered - Methyl B-12 is naturally recognized by the body, so it’s delivered to your cells more effectively to support your body’s natural cellular energy production. Convenient Chewable Tablet - Each cherry-flavored chewable tablet delivers 500 micrograms (mcg) of methyl B-12; Contains no wheat, gluten, soybeans, dairy, egg, fish/shellfish, or peanuts/tree nuts, or sesame. Superior Science, Smarter Formulas - Informed by strong scientific research, Jarrow Formulas products are carefully crafted to ensure you get the benefit of each and every vitamin, mineral and supplement.