Met-Rx Whey Protein is America’s original and best selling protein drink mix -packed with 37grams of high-quality METAMYOSYNR protein. It has been designed by a physician - understanding the effects of nutrition on physiology.  It contains high levels of glutamine - both free form and peptide bonded. Met-Rx Program is designed to quickly and efficiently reduce body fat and increase lean muscle mass. It is low in fat and low in sugar with NO sucrose or fructose added. 100% RDA for calcium and high in antioxidants.