Vitamin B12s main function are in the formation of red blood cells and the maintenance of a healthy nervous system. Vitamin B12 is an especially important vitamin for maintaining healthy nerve cells. It promotes normal growth and development, helps with certain types of nerve damage, and treats pernicious anemia. QUALITY GURANTEED This product has been manufactured and packaged in strict conformance with industry and government standards. DIRECTIONS as a dietary supplement, take one tablet daily, preferably with a meal, or as recommended by a health care professional. Store in a dry, controlled room environment.