Vitamin B12 supports the body in converting carbohydrates into energy and in the metabolism of protein and fats.* It also promotes the health of the gastrointestinal tract and proper red blood cell formation.* B12 supports cardiovascular health by helping to maintain homocysteine levels that are already in the normal range.* Vitamin B12 is needed to produce neurotransmitters such as serotonin to support positive mood, and myelin for a healthy nervous system.* Methylcobalamin, the methylated form of B12 is considered to be the most bioavailable, active form.*