# What is PDCAAS (Protein Digestibility-Corrected Amino Acid Score)?

> PDCAAS is a protein quality score from 0 to 1.0 that compares a protein's essential amino acids to human needs and adjusts for how well it is digested.

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

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PDCAAS is a protein quality score from 0 to 1.0 that compares a protein's essential amino acids to human needs and adjusts for how well it is digested.