Vitamin B12 plays some very important roles in our bodies, like forming red blood cells and maintaining nerve function.* 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.* Supports red blood cell formation* Helps prevent B12 deficiency* Helps maintain the body’s ability to metabolize nutrients*