D-CARB BALANCE 25LB, D-Carb Balance pellet supplement provides essential balanced nutritional support to horses limited to diets of grassy hay. Supplies horses with needed calcium, phosphorous, vitamins, and trace minerals missing from daily feed. Contains vitamins A, B12, C, D3, and E, riboflavin, crude protein, crude fat, crude fiber, calcium, phosphorous, salt, chromium, magnesium, copper, iodine, manganese, selenium and zinc. Dosage: Adult horses 900-1,000 lbs, give 2 oz twice daily.