Sodium tetraborate (borax)
Other names Borax, E285
Sodium tetraborate (borax): no notable intolerance on record.
Intolerances
- FODMAPsNone
Borax contains no carbohydrate at all, and FODMAP is an acronym for carbohydrates - fermentable oligosaccharides, disaccharides, monosaccharides and polyols. There is nothing here for gut bacteria to ferment, so there is no route to a FODMAP effect at any dose.
- LactoseFODMAPsNone
- Histamine (+liberators / DAO inhibitors)None
Borax (E285) is the sodium salt of boric acid and shares its single EU permission: sturgeon caviar. Like the acid, it has no histamine route at all - the caviar it preserves is the high-histamine part of that jar, not the preservative.
Sources· 2
- Maintz & Novak, Am J Clin Nutr 2007
- Comas-Baste et al., Biomolecules 2020
- GlutenNo
- FructoseFODMAPsNone
- OligosaccharidesFODMAPsNone
- SorbitolFODMAPsNone
- SucroseNone
- TyramineNone
- SalicylateNone
- NickelNone
- OxalatesNone
Intolerance levels are based on our documented scientific sources. See sources →
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Frequently asked questions
Which intolerances does Sodium tetraborate (borax) affect?
No notable intolerance on record. Clear on FODMAPs, lactose, histamine, gluten, fructose, oligosaccharides, sorbitol, sucrose, tyramine, salicylate, nickel and oxalates.
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