← Back to all waters
Potassium Metabisulfite
An inorganic compound used as a preservative and antioxidant in food and beverages to prevent spoilage and discoloration.
Mineral or nutrientUpdated Feb 16, 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
Irritation, sulfite sensitivity including allergic reactions and asthma exacerbation, potential respiratory sensitizer
Benefits
Preservative, antioxidant, prevents microbial growth and spoilage
References
Waters containing Potassium Metabisulfite
1 matches