When you exercise, you deplete protein in your body. Amino acids supplied by proteins are necessary to prevent muscle deterioration, help with endurance and build muscle mass. That is why many athletes use why protein to supplement their diets. Whey is actually product of cheese making and comes from cow’s milk. It was typically thrown away as a “waste product” but now people know that whey is a high quality, natural protein that is loaded with amino acids essential for the building of muscle tissue. Although one should get much of their protein from other whole foods such as meat, soy, fish and vegetables, whey protein has a high absorption level that is easily digested, which makes it an excelled protein supplement. Whey protein has many health benefits including immune support, bone health, sports health and weight management. Since a greater muscle mass in your body will help increase your fat burning, whey protein can be helpful to people who cannot consume enough proteins from whole foods to support their fitness goals. As with any high protein diet, one should be careful not to consume more than their body can handle. You can have too much of a good thing. Extremely high use of protein supplements can overload the livers, so moderation is always recommended. If you are lactose intolerant you might try whey protein isolate which has less than 1% lactose. There are many kinds of protein supplements out there. Whey protein is the most recommendable for its easy absorption and healthy properties.