VitaPet Senior is a stress formula especially for the older, lactating, pregnant or more active dogs. Veterinarian recommended and scientifically formulated to supply dogs with essential vitamins, minerals and nutrients that may be missing in their daily diet. Contains Glucosamine for added joint support. Active Ingredients Guaranteed Analysis per 3 gram tablet Linoleic Acid (Omega 6).....(30 mg) 1 % Calcium........................................3.3 % Phosphorus................................2.56 % Potassium................................0.0005% Iron..............................................1 mg Copper..................................0.050 mg Manganese............................0.060 mg Zinc...........................................1.5 mg Iodine....................................0.052 mg Vitamin A...............................1000 I.U. Vitamin D3...............................100 I.U. Vitamin E.....................................2