Aminoacids coverage chart - definition and explanation

It’s widely known that protein is essential to our body. What is not as well known, is that it’s not only the protein quantity that counts but also its quality. And there are various strategies to assess the protein quality. US Food and Drug Administration recommends Protein Digestibility Corrected Amino Acid Score (PDCAAS ) as the quality assessment norm. ( A crucial role in determining the quality is played by the number of Amino Acids the food contains. There are 11 amino acids that we can get only from food. Protein is of high quality if it contains all of those amino acids in the right quantities.


The main source of information is USDA Food Composition Database (U.S. Department of Agriculture)
Dietary Guidelines for Americans is used as the primary source for advice in this web resource
Data provided by should be considered and used as information only. Please consult your physician before beginning any diet.