(Trophy Animal Health Care)  Developed by a veterinarian, Sure Grow provides a unique calcium-to-phosphorus ratio to maximize premium pet diets. Aids in proper development of healthy bones, tendons and ligaments for puppies of all breeds during the period of rapid growth. Dosage--twice daily: 5-15 lbs.1/2 tablet, 15-30 lbs.1 tablet, 30-60 lbs. 1 1/2 tablet, 60-100 lbs. 2 tablets. Feed free choice or mix with food.