# What is BCAA (Branched-Chain Amino Acids)?

> BCAAs are three essential amino acids, leucine, isoleucine and valine, named for their branched chemical structure and sold both inside protein powders ...

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

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BCAAs are three essential amino acids, leucine, isoleucine and valine, named for their branched chemical structure and sold both inside protein powders and as standalone supplements.