Purina Veterinary DietsĀ® ENĀ® canine formulas provide complete and balanced nutrition for growth of puppies and maintenance of the adult dog and have been formulated to achieve the following characteristics: High digestibility - Source of MCTs (22-34% of fat) - Moderate fat - Source of omega-3 and omega-6 fatty acids Low fiber - Increased antioxidant vitamins E & C - Added Zinc