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Fluorine (as sodium fluoride)
Compound used for dental cavity prevention; provides fluoride ion which incorporates into tooth enamel.
Mineral or nutrientUpdated May 21, 2026
Health score-3.0
-5Poor5
Water guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Food and supplement guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Risks
Toxicity risk at excessive ingestion causing fluorosis and acute toxicity, regulatory limits apply for fluoride in food and water
Benefits
Dental caries prevention at appropriate doses