Protein in the U.S. diet.

Nationwide studies carried out between 1965 and 1975 have been reviewed to determine: (a) The adequacy of dietary protein nutrition in the United States, (b) the level of protein available from the national food supply, and (c) the effects of excessive amounts of protein in the diet. On the basis of the studies reviewed, it can be concluded that the diets of most Americans are adequate in quantity and quality of protein.