This requirement is easily met by the typical American diet which usually exceeds recommendations. For example, a 120-pound athlete will need about 96 grams per day. The Sample Menu Nutrient Analysis shows that a well-balanced diet can easily provide this amount. In the Sample Menu, there are 132 grams of protein. Therefore, the need for protein or amino acid supplements is not likely.
Protein is found in a wide variety of foods.
Click here for good sources of protein . Amino acid supplements are marketed to athletes to help build muscle and improve performance. To date, there is a lack of well-controlled studies showing any such benefit. Amino acids are expensive, and high protein needs can be met by eating a well-balanced diet. Protein levels above 1.0 grams per pound of body weight are not advised.