Research

How often should supplements be tested for heavy metals? No federal frequency exists; here is a risk-based framework by product type and history.

How to evaluate a heavy metal testing laboratory: ISO/IEC 17025 scope, methods, reporting limits, speciation, COA quality, red flags, and a scoring checklist.

ICP-MS testing for supplements, explained in plain English: how it works, why it replaced older methods, detection limits, speciation, and lab reports.

What does third-party tested mean? What the supplement claim guarantees, what it doesn't, the questions it should answer, and red flags to check.

Third-party testing vs certification vs FDA compliance: what cGMP requires, what testing verifies, what certification adds, and the myths to drop.

Cerebelly heavy metals review: Clean Label Project award, the truth about the 2023 recall, AB 899 batch data, and what independent testing shows in 2026.

Baby food without heavy metals: how to find it in 2026, plus FDA lead limits, AB 899 QR-code disclosures, safest cereals, pouches, and brands.

Heavy metals in protein powder: what Consumer Reports and Clean Label Project found on lead, which types test lower, and how to pick a safer powder.

Heavy metals in rice: why arsenic accumulates in rice, which types test lowest, and the cooking method that removes 40-60% of it.

Beech Nut heavy metals review: the 2021 congressional findings, rice cereal recall, lawsuit status, and how to read Beech-Nut's batch test data in 2026.

Heavy metals in spices: why lead shows up in turmeric and cinnamon, what the recalls revealed, and how to choose safer spice brands.

Is aluminum a heavy metal? Technically no: it's a light metal with real toxicity concerns. Where aluminum shows up in food and what regulators say.

Heavy metals in baby formula: what 2026 lab tests found, which brands tested cleanest for lead and arsenic, and how to choose a safer formula.

Gerber baby food heavy metals review: 2021 congressional findings, FDA lead action levels, QR-code batch data, and what independent testing shows in 2026.

Heavy metals in chocolate: how lead and cadmium get into dark chocolate, what Consumer Reports found, and how to choose bars with lower levels.