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contaminant
Grade reflects published research findings and regulatory status. Not a safety certification.
Ingredient evidence is still under review.
Presence ≠ Risk. Educational summary only. Not medical advice.
Fifty-year study of lung and bladder cancer mortality in Chile related to arsenic in drinking water.
Journal of the National Cancer Institute · 2007
This 50-year population study found that arsenic-exposed Region II in Chile had peak lung cancer mortality rate ratios of 3.61 in men and 3.26 in women, and bladder cancer mortality rate ratios of 6.10 in men and 13.8 in women versus the comparison region. The authors noted these were exceptionally large cancer mortality increases for any environmental exposure.
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Increased lung and bladder cancer incidence in adults after in utero and early-life arsenic exposure.
Cancer Epidemiology, Biomarkers & Prevention · 2014
Adults exposed to more than 800 μg/L arsenic in drinking water during in utero or early life had adjusted odds ratios of 5.24 for lung cancer and 8.11 for bladder cancer decades later. This shows arsenic can produce very large, long-latency carcinogenic effects after early-life exposure.
View on PubMed
A prospective study of arsenic exposure from drinking water and incidence of skin lesions in Bangladesh.
American Journal of Epidemiology · 2011
In 10,182 adults followed prospectively, arsenic exposure from well water showed a clear dose-response for incident skin lesions, with a multivariate-adjusted hazard ratio of 2.98 at concentrations ≥200.1 μg/L versus ≤10.0 μg/L. Increased risk was still seen below 100 μg/L, supporting chronic toxicity even at relatively lower exposure levels.
View on PubMed
FDA: FDA arsenic-in-food materials describe inorganic arsenic health context and food exposure-reduction work
contaminant minimization, food category, and source-testing context · 2026-05-06
View sourceGrades are based on published peer-reviewed research, regulatory agency data (FDA, EU, IARC, WHO, EPA), and independent analysis. We update entries when new findings emerge.
contaminant
High concern
Ingredient evidence is still under review.
FDA: FDA consumer materials describe ways to limit arsenic exposure from rice and other sources
consumer exposure-reduction context · 2026-05-06
EPA: EPA chemical contaminant rules provide drinking-water contaminant-control context for arsenic and other chemicals
public-water contaminant monitoring and enforceable standard context · 2026-05-06
View sourceFifty-year study of lung and bladder cancer mortality in Chile related to arsenic in drinking water.
Journal of the National Cancer Institute · 2007
This 50-year population study found that arsenic-exposed Region II in Chile had peak lung cancer mortality rate ratios of 3.61 in men and 3.26 in women, and bladder cancer mortality rate ratios of 6.10 in men and 13.8 in women versus the comparison region. The authors noted these were exceptionally large cancer mortality increases for any environmental exposure.
Read studyIncreased lung and bladder cancer incidence in adults after in utero and early-life arsenic exposure.
Cancer Epidemiology, Biomarkers & Prevention · 2014
Adults exposed to more than 800 μg/L arsenic in drinking water during in utero or early life had adjusted odds ratios of 5.24 for lung cancer and 8.11 for bladder cancer decades later. This shows arsenic can produce very large, long-latency carcinogenic effects after early-life exposure.
Read studyA prospective study of arsenic exposure from drinking water and incidence of skin lesions in Bangladesh.
American Journal of Epidemiology · 2011
In 10,182 adults followed prospectively, arsenic exposure from well water showed a clear dose-response for incident skin lesions, with a multivariate-adjusted hazard ratio of 2.98 at concentrations ≥200.1 μg/L versus ≤10.0 μg/L. Increased risk was still seen below 100 μg/L, supporting chronic toxicity even at relatively lower exposure levels.
Read study| Agency | Status | Limit | Reviewed | Source |
|---|---|---|---|---|
| FDA | FDA arsenic-in-food materials describe inorganic arsenic health context and food exposure-reduction work | contaminant minimization, food category, and source-testing context | 2026-05-06 | View |
| FDA | FDA consumer materials describe ways to limit arsenic exposure from rice and other sources | consumer exposure-reduction context | 2026-05-06 | View |
| EPA | EPA chemical contaminant rules provide drinking-water contaminant-control context for arsenic and other chemicals | public-water contaminant monitoring and enforceable standard context | 2026-05-06 | View |
