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What are the heavy metal limits and which testing standards apply?
Heavy metal testing is performed per batch and reported in the COA. All heavy metals comply with the most stringent global food safety standards — specifically the limits set by the US FDA, EFSA (EU), and Japan's Ministry of Health, Labour and Welfare (MHLW). You select the regulatory standard that applies to your market, and we provide the corresponding COA.
Heavy Metal Limits (Food Grade)
| Metal | US FDA (ppm) | EU EFSA (ppm) | Japan MHLW (ppm) |
|---|---|---|---|
| Lead (Pb) | ≤0.1 | ≤0.1 | ≤0.1 |
| Arsenic (As) | ≤1.0 | ≤0.5 | ≤0.1 |
| Cadmium (Cd) | ≤0.1 | ≤0.1 | ≤0.1 |
| Mercury (Hg) | ≤0.1 | ≤0.1 | ≤0.05 |
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This article was published on 2026-09-02, and last updated on 2026-09-02. The article will be continuously updated.
