Motion and activity is essential for your full-grown dog. Hill's Science Diet Healthy Mobility Adult dry dog food contains advanced nutrition that supports your dog's ability to move & play. Clinically shown to support joint health and improve mobility in dogs within 30 days, this dry food contains natural sources of glucosamine & chondroitin – essential for maintaining healthy cartilage for dogs. The addition of EPA from fish oil promotes better mobility and helps keep canine joint cartilage healthy. Your grown dog will also benefit from the balanced minerals for strong, healthy bone support.