Vitamin B-12 is essential for these normal functions in animals: Growth, health, feed efficiency and reproduction, Formation of red blood cells, Nervous system functions, Hair growth, and Carbohydrate and fat metabolism.
5x: Contains 5,000 micrograms of pure U.S.P. Vitamin B-12.
12x: Contains 12,000 micrograms of pure U.S.P. Vitamin B-12.