Purina Veterinary Diets® JM Joint Mobility® Canine Formula has been formulated to provide complete and balanced nutrition for the growth of puppies and maintenance of adult and senior dogs, while providing the following characteristics: High EPA and omega-3 fatty acid content - Appropriate levels of omega-6 fatty acids - Moderate fat content - High levels of antioxidant vitamins E and C - High protein: calorie ratio - Natural source of glucosamine - Excellent palatability. If your dog exhibits any of the following signs, contact your veterinarian to schedule a physical exam and ask if JM Joint Mobility® Canine Formula could help. Has difficulty getting up in the morning or lying down for a rest. Limps or appears stiff after exercise. Tires easily or lags behind on walks. Reluctant to climb steps or jump up. Pants excessively when he doesn't seem hot.