Because active dogs need the best fuel, feed them 4health® Strive. These energy-dense premium dog food formulas feature 83-90% of protein derived from animal sources and are made with wholesome grains. Plus, they include probiotics and antioxidants that give your active dog the right nutrients for exceptional energy and stamina. All 4health® Strive formulas are fortified with glucosamine and chondroitin for healthy joints and taurine for heart health. Each cup of food provides live, active cultures that help support healthy digestion, and includes ingredients that maintain a proper balance in your dog's digestive system. 4health® Strive formulas for dogs are formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for All Life Stages, including growth of large size dogs (70 lbs. or more as an adult).