Supplemental protein is necessary for body builders, and also has the added benefits of reducing hunger, which may lead to lower weight, and improvement in diabetes and heart disease symptoms. Recommended amounts of dietary protein are underestimated for serious athletes, and the added protein can decrease the effects of over-training and help to balance out metabolism. Egg protein contains all of the essential amino acids and is scored high on the PDCAA score and biological value. These two scores tell you that egg protein is efficiently used by the body and is an overall complete protein. The egg protein supplements are also low in cholesterol and fat, generally, giving them an advantage over simply ingesting eggs.