This mineral supplement for lizards and turtles provides the required calcium-to-phosphorus ratio your pet needs for strong, healthy bones and vital bodily functions. Recommended for reptiles who eat small amounts of high-phosphorus foods (crickets, mealworms and wax worms). Ingredients: Dicalcium phosphate, limestone flour, flavor, D-activated animal sterol (source of vitamin D3) Guaranteed Analysis: Calcium not less than 31%; Phos not less than 15.5%; Vitamin D3 not less than 100,000 IU/pound.