Apple syrup
Plain apple syrup is typically low in histamine, though added ingredients in some versions are worth checking.
Apple-based syrup made simply from apple juice and sugar doesn't have a known histamine-raising effect.
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Ingredient list is key — some commercial apple syrups include citric acid, natural flavorings, or other additives that may be worth noting if you're particularly sensitive
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Concentration and histamine — reducing apple juice into a syrup is not the same process as fermentation or culturing, and plain apple syrup is generally considered low-histamine in practice; that said, histamine levels in commercial products can vary depending on processing and storage conditions
A quick look at the label helps you choose the most straightforward version available.
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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)