PRO PLAN Medium Puppy with OPTISTART has been created for Medium breed size puppies (10-25kg adult weight). This diet contains adapted level of vitamin D and minerals (such as calcium and phosphorus) to help support strong teeth and specific levels of omega-3 for healthy gums. Rich in high-quality chicken, it offers optimal nutrition to power your medium puppy growth up to 12 months of age when they will mature to Adult.