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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 limits comply with US FDA, EFSA (EU), and Japan's MHLW for botanical extracts.
Heavy Metal Limits (Food / Supplement Grade)
| Metal | US FDA (ppm) | EU EFSA (ppm) | Japan MHLW (ppm) |
|---|---|---|---|
| Lead (Pb) | ≤0.5 (herbal) | ≤0.3 | ≤0.3 |
| Arsenic (As) | ≤1.0 | ≤0.5 | ≤1.0 |
| Cadmium (Cd) | ≤0.3 | ≤0.3 | ≤0.2 |
| Mercury (Hg) | ≤0.1 | ≤0.1 | ≤0.05 |
Relate Products
This article was published on 2026-09-02, and last updated on 2026-09-02. The article will be continuously updated.
