Puppies are full of energy and playful enthusiasm. The combination of chicken and lamb protein in Precise Puppy Formula assists in the growth of all types of tissue. It is designed for weaning puppies of all breeds up to the age of four months and small to medium breeds of puppies until they reach maturity. Puppy Formula is preserved with natural antioxidants to give your puppy a chemical - free start in life. And Precise adds easy-to-absorb, chelated minerals to help build a strong body.