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Diquat
Diquat is a non-selective contact herbicide primarily used in agriculture and weed control. It is not a food ingredient but a chemical material applied to plants. It is toxic if ingested or inhaled and can cause severe health issues upon exposure.
Tracked contaminantUpdated Feb 21, 2026
Health score-5.0
-5Very bad5
Water guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Food and supplement guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Risks
Toxic if ingested, inhalation hazard, skin and eye irritation, potentially carcinogenic, environmental contaminant
Benefits
Effective broad-spectrum herbicide, rapid weed control