Natural Factors Methyl B12 10,000mcg, 30's

Vitamin B12 plays some very important roles in our bodies, like forming red blood cells and maintaining normal function of the immune system. To perform these roles, B12 needs to be converted by the body into a form it can utilize. Unfortunately, some people are missing the gene that can make that happen. Enter Natural Factors Methylcobalamin, the metabolically active form of B12! The body can utilize it immediately upon absorption to support essential physiological processes.