Whey Protein

According to Wikipedia, whey is essential in bodybuilding because it can be rapidly digested. It becomes available for muscle building very quickly. Usually, it is used post workout to help increase levels of amino acids in the blood. When absorbed by the muscles it increases mass. During exercise, whey opens up blood flow improving the flow of nutrients to necessary areas that repair and rebuild muscle tissues. Choose from over 150 whey protein products that come in assorted flavors.