# What is Prop 65 (California Proposition 65)?

> Prop 65 is a California law requiring a warning when a product can expose you to a listed chemical, such as lead, above a set safe harbor level.

- **URL**: https://www.best-proteinpowder.com/glossary/prop-65/
- **Publisher**: [Best Protein Powder](https://www.best-proteinpowder.com/)

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Prop 65 is a California law requiring a warning when a product can expose you to a listed chemical, such as lead, above a set safe harbor level.