# What is DIAAS (Digestible Indispensable Amino Acid Score)?

> DIAAS is a protein quality score recommended by the FAO in 2013 that rates each essential amino acid by how much is absorbed in the small intestine.

- **URL**: https://www.best-proteinpowder.com/glossary/diaas/
- **Publisher**: [Best Protein Powder](https://www.best-proteinpowder.com/)

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DIAAS is a protein quality score recommended by the FAO in 2013 that rates each essential amino acid by how much is absorbed in the small intestine.