Hill's Science Diet Adult Large Breed Dry Dog Food — Joint Support & ActivBiome+ for Lean Muscle

Hill's Science Diet Adult Large Breed Dry Dog Food is a vet-developed daily kibble that supports lean muscle, joint mobility and a healthy coat for fully grown large-breed dogs.

Formulated for the specific needs of adult large-breed dogs, this dry food combines high-quality protein with joint-supporting ingredients and a tailored fiber blend to help digestion. The recipe includes natural sources of glucosamine and chondroitin for joint health, omega-6 fatty acids and vitamin E for skin and coat, and ActivBiome+ prebiotic fibers plus antioxidants to support digestion and immune health. Made in the USA with trusted global ingredients, Hill's Science Diet follows veterinarian-backed nutrition standards trusted by pet professionals.

How does this food help keep large dogs' joints and mobility supported?

The kibble includes naturally sourced glucosamine and chondroitin to help maintain joint structure and comfort in big breeds that carry more weight. While no food can guarantee outcomes, these ingredients are commonly used to support joint function alongside exercise and veterinary care.

• Natural glucosamine and chondroitin included for joint support
• Calorie density matched to active adult large-breed energy needs
• Balanced minerals to support overall musculoskeletal health

Will this diet help my large dog build or keep lean muscle?

Yes — the formula has high-quality animal protein as a primary ingredient to support maintenance of lean muscle mass in adult large dogs. Protein helps preserve muscle during daily activity and supports healthy body condition when fed at recommended amounts.

• High-quality protein sources to maintain lean muscle
• Appropriate calorie level for adult large-breed metabolism
• Feeding guidelines designed for size and activity level

How does this food support digestion and immune health?

Hill's Science Diet Adult Large Breed contains a blend of prebiotic fibers and antioxidants called ActivBiome+ to help nurture gut bacteria and support digestive balance. Antioxidants also contribute to cellular and immune system support as part of a balanced diet.

• ActivBiome+ blend of prebiotic fibers to support gut microbiome
• Added antioxidants to help support immune health
• Easy-to-digest natural ingredients for better nutrient absorption

What benefits will I see for my dog’s skin and coat?

The recipe supplies omega-6 fatty acids and vitamin E to help nourish the skin and promote a glossy coat. Regular feeding as part of a balanced diet can contribute to visible coat condition alongside grooming and parasite control.

• Omega-6 fatty acids for skin nourishment
• Vitamin E to support healthy coat appearance
• Natural ingredients chosen for palatability and nutrient delivery

Who is this for: Hill's Science Diet Adult Large Breed Dry Dog Food is formulated for fully grown large-breed dogs that need a balanced daily nutrition plan focusing on muscle maintenance, joint support, digestive health and a healthy coat. It’s suited to owners who want a veterinarian-backed, natural-ingredient kibble made with trusted sourcing and clear feeding guidelines. For puppies, seniors with special medical needs, or dogs requiring prescription nutrition, consult your veterinarian to choose the most appropriate diet.

Ingredients

Chicken, Cracked Pearled Barley, Brown Rice, Brewers Rice, Whole Grain Wheat, Whole Grain Corn, Corn Protein Meal, Chicken Meal, Chicken Fat, Chicken Liver Flavor, Soybean Meal, Dried Beet Pulp, Soybean Oil, Lactic Acid, Flaxseed, Pork Liver Flavor, Potassium Chloride, Iodized Salt, Whole Grain Oats, Fructooligosaccharides (FOS), Choline Chloride, Calcium Carbonate, vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Vitamin A Supplement, Calcium Pantothenate, Biotin, Vitamin B12 Supplement, Riboflavin Supplement, Pyridoxine Hydrochloride, Folic Acid, Vitamin D3 Supplement), Taurine, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene.