If you are interested in muscle building or you are involved in a weight loss program, optimum 100% whey protein is a great supplement to cater to your needs. It is mostly packed in tubs of 2lb (908 grams) and 5lb (2270 grams). Optimum 100% whey protein has a high protein value per serving at around 24 grams for every scoop. Many other protein shakes have far less per scoop, sometimes even less than 15 grams of protein. With 24 grams of protein per scoop, you get the most out of each container.