Dr Michael Lange and Dr Richard Hall discuss the powers of whey protein and the difference between isolate and concentrate. They discuss how whey can help to build muscle , strength and enhance testosterone. Whey can also enhance your immune system. However all whey is not created equal. they discuss how to pick a good whey protein and what type of whey to stay away from. Fortifeye Vitamins has amazing whey proteins and learn more at www.fortifeye.com.