Rhubarb
Rhubarb is low in histamine, though it's very high in oxalates, which is a separate sensitivity some people experience.
Rhubarb doesn't contain significant histamine and isn't known to trigger histamine release or block breakdown.
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Oxalates, not histamine — rhubarb's main caution is its very high oxalate content, which is a different sensitivity entirely and unrelated to histamine; if you're only managing histamine, rhubarb itself isn't a concern
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What it's cooked with — rhubarb is almost always sweetened and often paired with strawberries, which are known histamine liberators, so the combination is worth keeping in mind
Plain rhubarb without high-histamine fruit pairings is typically fine from a histamine standpoint.
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For educational purposes only. Not medical advice. Consult a healthcare professional for personal guidance.
References
- SIGHI Food Compatibility List — SIGHI (2026)
- Histamine and histamine intolerance — Maintz & Novak (2007)
- Histamine Intolerance: The Current State of the Art — Comas-Basté et al. (2020)
- Low-Histamine Diets: Is the Exclusion of Foods Justified by Their Histamine Content? — Sánchez-Pérez et al. (2021)
- Histamine Intolerance: Symptoms, Diagnosis, and Beyond — Jochum (2024)
- Guideline on management of suspected adverse reactions to ingested histamine — Reese et al. (2021)