and repair are known as complete protein foods. Such foods are also classified as having high biological value, ie, a large proportion of protein is absorbed and retained. Biological value refers to an index in which all protein sources are compared with egg whites, which Athletic Greens Provide Complete the MOST and have the Highest Protein Biological value of 100. In General, foods with High quality or High Protein Biological h tt p:. / / hea lt hy b oo st er sp ro com / at hl e tic - gr een s /