Consumer Safety Research Center — Journal


What we test, what we find,
and how the law works.

Plain-language writing on heavy metals in food, Proposition 65, and independent laboratory testing. Published as it clears review — no noise.

2026-08-19 · Testing

From shopping cart to certificate of merit: how we test

Every CSRC finding follows the same documented chain: a retail purchase, an accredited laboratory, a published exposure calculation, and an expert's signature. Here is each step, and why it's built to survive a courtroom.

2026-08-19 · Prop 65

What a Prop 65 warning actually means

You've seen the sign on parking garages and coffee shops. On a food label, it means something more specific — and its absence can mean more than its presence.

2026-08-19 · Findings context

Why plant protein powders keep testing positive for lead

It isn't an accident, and it isn't a conspiracy — it's agronomy plus concentration plus serving size. What the research shows, and what a careful consumer can actually do.

2026-08-19 · Prop 65

Safe harbor levels, explained

0.5 micrograms of lead per day. Where that number comes from, what the 1,000-fold safety factor means, and why "over the limit" and "dangerous" are different claims.

2026-08-19 · Testing

How to read a certificate of analysis

Brands increasingly publish "COAs" as proof of purity. Some prove a lot, some prove almost nothing. A working guide to reading one like an auditor.

© 2026 Consumer Safety Research Center Inc. · safety-research.org Educational information, not legal or medical advice.