Science-Based NutritionHelps Support Healthy Memory, Mood and CirculationDietary SupplementNon-GMO / Gluten Free / Soy Free / VeganDoctor's Best Chewable Fully Active B12 is a fast acting and pleasant tasting vitamin B12, provided as MethylCobalamin, its most biochemically active form. Vitamin B12 is essential for healthy mood, memory management and for fundamental life processes such as healthy gene regulation (epigenetics), nerve cell communication, and the recycling of homocysteine, a potentially toxic metabolite, from pregnancy through old age. Chewable tablets help ensure rapid B12 action.Helps correct Vitamin B12 deficienciesHelps support healthy memory, mood, and circulationHelps provide relief to fatigueFast acting