BIOAVAILABLE VITAMIN B-12: By using Methylcobalamin, Bronson's fast dissolve formula provides the most biologically active form of B-12 for superior fast-acting support. ENERGY & BRAIN SUPPORT: Methyl B-12 5000 MCG naturally supports healthy energy/stamina and promotes nervous system/brain cell health.* HIGHEST QUALITY VEGAN & VEGETARIAN FRIENDLY FORMULA: Our Vitamin Methyl B12 contains no ingredients derived from animal sources and it is Non-GMO, Gluten-Free and Soy-Free tested at our FDA / GMP Registered New York Facility.