Vitamin B12 Tablets 500mcg. Healthy levels of vitamin B12 are required for normal cell division and the production of red blood cells. What is Vitamin B12?. Vitamin B12 500µg 20,000. Ingredients Bulking Agents (Microcrystalline Cellulose, Calcium Phosphates), Anti-Caking Agents (Magnesium Salts of Fatty Acids, Silicon Dioxide), Cyanocobalamin (Vitamin B12).
