Protein Quality in the First Thousand Days of Life.

The aim of this article is to provide an overview of the role of protein quality within the first 1000 days of life. The article outlines the importance of protein quality in pregnancy and early growth and examines the potential of high-quality protein in prevention of stunting and treatment of severe and moderate acute malnutrition. The article also provides a summary of the recent changes in protein quality evaluation and the development of a new index, the Digestibility Corrected Amino Acid Score, examining the opportunities and challenges this new methodology presents in assessing protein quality.