Pet Ag Mirra-Coat Nutritional Supplement - 2.5 pound (40 oz) powder Mirra-Coat is a blend of essential fatty acids, Vitamin A, B6, E, Biotin and Zinc, all essential nutrients in helping maintain a healthy skin and coat. Recommended for use as a concentrated supplement for dogs and other animals that need special attention to help control shedding, scratching, dull coat and dry, flaky skin. Use to aid in restoring the skin and coat condition after treatment for non-nutritional problems such as parasites, trauma and allergies. Improvements are seen within two weeks of use.