High intake levels of protein can lead to increased water loss because the body excretes water to dispose of urea, a substance formed in the breakdown of protein. Water loss coupled with the fact that most athletes loose a great amount of water through sweat, can lead to dehydration if fluid intake is not properly monitored. An excess of purified protein can, however, take calcium away from bones, thus predisposing one for osteoporosis. Although protein is seldom used as an energy source, and despite the fact that the average American diet far exceeds the recommended daily allowance for protein, many athletes still believe that supplementary protein can enhance athletic performance. Athletes do need additional calories for energy, but too much protein intake will be stored as fat.
Most protein supplements provide a lot of calories as well as protein.
A balanced diet can easily provide enough protein for an athlete, and protein supplements are not necessary. Again, the average athlete cannot be turned into a champion simply by altering their diet or specific nutrient intakes. Protein and Miscellaneous Ergogenic Aids. How To Pack a Meatless Diet Full of Nutrients. Nutrition and the Athlete.