Essential DogDaily Vitamins and Minerals, Probiotics, Prebiotics and Enzymes Highly absorbable Iron encourages good Cycles and helps with Breeding Haircoat and Body Condition Increase Absorption for Weight Gain Guaranteed Analysis: Calcium (min) 1. 40 % Calcium (max) 1. 65 % Phosphorus (min) 1. 50 % Salt (min) 1. 10 % Salt (max) 1. 20 % Magnesium (min) 0. 40 % Potassium (min) 0. 60 % Copper (min) 990. 0 PPM Selenium (min) 14. 0 PPM Zinc (min) 1680. 0 PPM Iron