California Prop 65 | The Laboratory Outsourcing Network - Contract Laboratory

Advertisement

California Prop 65 Articles

Heavy Metals in Protein Powder: Benchmarks, Test Methods, and Lab Criteria

By Swathi Kodaikal | Oct 6, 2026

With no federal lead limit, brands rely on per-serving specs, ICP-MS methods, and qualified labs

An analytical chemist loads digested protein powder samples into an ICP-MS autosampler for heavy metals testing, with whey, pea, and chocolate protein powders and microwave digestion vessels on the bench.

Analytical lab equipment and computer monitors displaying Prop 65 heavy metal testing results for consumer products like a mug, belt, and toy.

California Proposition 65 Testing: Mitigating Regulatory Risk and Ensuring Compliance

Apr 23, 2026

Advertisement

No Results Found

The posts you requested could not be found. Try changing your module settings or create some new posts.

Advertisement

Advertisement