Value Plus Methionine Tablets are a nutritional supplement to assist with skin and nail strength, and methionine production in dogs. Methionine is an amino acid, and these tablets will help the liver to detoxify waste products. Methionine is essential for the formation of keratin, which is the major structural protein in nails, skin, and hair. It supplies sulphur and the other compounds required for normal metabolism and growth. These tablets are suitable for racing greyhounds.