Pet-Tabs Calcium for Dogs and Cats is a Daily Calcium Supplement that provides a dietary source of calcium, phosphorus, and Vitamin D to help maintain healthy teeth and bones. Ingredients: Dicalcium Phosphate, Malted Milk, Corn Syrup, Soy Flour, Spray-dried Whey, Nonfat Milk Powder, Wheat Flour, Dried Buttermilk, Brewers Dried Yeast, Magnesium Stearate, Corn Oil, Tricalcium Phosphate, Vitamin D3 Supplement.