AniMed Pure dl-Methionine Powder is a concentrated source of Methionine, an amino acid and essential protein building block central for normal growth and metabolism. This product is also a great source of dietary sulfur, and supports normal urinary pH and liver health. Methionine is a crucial component of collagen that is responsible for the normal function and structure of coat, skin, hair and hooves. Sold in a 16 oz. jar.