Calcium sulfite

Other names calcium sulphite, E226
Calcium sulfite: high in histamine. If you're sensitive to any of these, check it against your profile before eating.
Intolerances
- Histamine (+liberators / DAO inhibitors)High
Calcium sulfite is the calcium salt of the group, and sulfites are not documented as inhibitors of DAO, the enzyme that clears histamine. Sulfites are here because their intolerance looks like histamine intolerance and travels in the same foods — not because a mechanism links them. It raises the same question as every sulfite and no other: a sensitivity of its own, sharing the foods rather than the mechanism.
Sources· 4
- Comas-Baste et al., Biomolecules 10:1181 (2020)
- Maintz & Novak, Am J Clin Nutr 2007
- Reg. (EU) No 1169/2011 Annex II for the 10 mg/kg declaration
- EFSA (2016), re-evaluation of sulfur dioxide and the sulfites, EFSA Journal 14(4):4438
- TyramineNone
- SalicylateNone
- SucroseNone
- FODMAPsNone
- LactoseFODMAPsNone
- OligosaccharidesFODMAPsNone
- SorbitolFODMAPsNone
- FructoseFODMAPsNone
- NickelNone
- OxalatesNone
- GlutenNo
Intolerance levels are based on our documented scientific sources. See sources →
React to Histamine (+liberators / DAO inhibitors)? Check these too
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Frequently asked questions
Which intolerances does calcium sulfite affect?
Calcium sulfite is notable for histamine. Clear on tyramine, salicylate, sucrose, FODMAPs, lactose, oligosaccharides, sorbitol, fructose, nickel, oxalates and gluten.
Does calcium sulfite contain histamine?
Yes — calcium sulfite is high in histamine. Calcium sulfite is the calcium salt of the group, and sulfites are not documented as inhibitors of DAO, the enzyme that clears histamine. Sulfites are here because their intolerance looks like histamine intolerance and travels in the same foods — not because a mechanism links them. It raises the same question as every sulfite and no other: a sensitivity of its own, sharing the foods rather than the mechanism. Amounts vary by brand and recipe, so always check the label of the exact product.
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