# What is Third-Party Testing?

> Third-party testing means an independent lab or certification group, not the brand itself, checks a product for what it contains, contaminants or banned...

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

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Third-party testing means an independent lab or certification group, not the brand itself, checks a product for what it contains, contaminants or banned substances.