Swanson brings you a breakthrough in vitamin B12 supplementation with methylcobalamin, the biologically active form of B12. Traditional B12 supplements give you cyanocobalamin, a form that the body must convert into methylcobalamin to harness its neuro-nourishing potential. Our methylcobalamin completes this conversion for you, so your body gets more active B12 faster, for the health of your entire nervous system.

• Features methylcobalamin, the neurologically active form of B12
• Supports proper red blood cell formation
• Supports energy production
• Non-GMO
• Per GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.