Hill's™ Science Diet™ Adult Large Breed Hill's™ Science Diet™ Adult Large Breed dog food provides precisely balanced nutrition to maintain ideal body weight and healthy joints. It is enriched with L-Carnitine and natural source Glucosamine Chondroitin Sulfate for ideal body composition and joint support. It is made with high quality ingredients which makes it easy to digest. Key Benefits Recommended For: Large breed adult dogs 1 -- 5 years of age with an ideal weight of 25 -- 50 kgs and giant breeds 1 -- 4 years of age with an ideal weight of 50kgs +. Not Recommended For: Puppies, pregnant or nursing dogs. During pregnancy or nursing, dogs should be switched to: Science Diet™ Puppy Healthy Development Original, Science Diet™ Puppy Small Bites, or Science Diet™ VetEssentials™ Puppy Benefit Nutrient How it Works Healthy immune function Vitamin C + E Optimal levels of clinically proven antioxidants for a healthy immune system. Ideal body composition L-Carnitine Converts fat into energy and helps maintain muscle mass. Lean muscle and ideal body weight High quality lean proteins Protein is the building block for lean muscle and helps maintain ideal body condition. Enhanced joint and mobility support Natural source Glucosamine & Chondroitin Sulfate Key building blocks of healthy cartilage. Easy to digest High quality ingredients Ensures optimal nutrient absorption to keep your dog fit and healthy.