E224Antioxidant · Preservative
Potassium metabisulphite
What the research shows
Not enough
published research on this page yet
What expert reviews concluded
Expert panels that weigh all the research. Shown for context: the signal at the top does not count them. IARC rates whether something can cause cancer at all, not how likely it is at the amounts in food.
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UN and WHO food additive experts (JECFA), 1998
Acceptable daily intake: up to 0.7 mg per kg of body weight.
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WHO cancer agency (IARC), 1991
For metabisulfites: not enough evidence to say whether it causes cancer in people (Group 3).
Regulatory status
Checked Sep 2026-
United States Permitted FDA 21 CFR 182.3637
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European Union Permitted EUR-Lex Reg. (EC) 1333/2008
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United Kingdom Permitted FSA retained EU law
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Canada Permitted Health Canada · Preservatives
Status reflects the named register on the date checked. It is not a safety rating.
How we checkProducts
The 6 most-scanned of 647 products on Open Food Facts that list potassium metabisulphite.
- Succo di limone ITALIAMO · 200 ml 2 additives
- Dijon Originale MAILLE · 215 g 2 additives
- Jus de citron vert Lidl · 200 ml 1 additive
- Grey Poupon Dijon Mustard 215G Grey Poupon · 215 g 2 additives
- Garlic Puree in Sunflower Oil GIA · 90 g 1 additive
- Coconut Juice Foco · 350 ml 2 additives
References
- 1Potassium metabisulphite: ingredient taxonomy entry. Open Food Facts.
- 2Potassium metabisulfite. Wikipedia. Accessed September 26, 2026. CC BY-SA 4.0.