Active Chewable B12Vitamin B12 formula Includes methylcobalamin, the active form of vitamin B12 Contributes to the formation of red blood cells Contributes to the metabolism of proteins, fats and carbohydrates Helps prevent vitamin B12 deficiency ACTIVE Chewable B12 supports red blood cell formation and macronutrient metabolism with a concentrated dose (1,000 mcg) of methylcobalamin, the body's most compatible active form of vitamin B12. Vitamin B12 deficiency is one of