Tim Hortons Chocolate Chip Muffin
This muffin runs high, largely from the chocolate chips baked through it.
Fast food is cooked in batches and held warm rather than made when you order it, so it is rarely as fresh as something cooked at home. That matters here because histamine builds up as protein foods sit, which means the same item can affect you differently depending on how long it waited.
A chocolate chip muffin is an enriched wheat flour muffin with sugar, eggs, oil, and semi-sweet chocolate chips.
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The chocolate carries it — the chocolate chips push this muffin into the high range, which is the flavor the muffin is built around.
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The base is moderate — the enriched wheat flour and the soybean or canola oil each land moderate, so the batter is not neutral even apart from the chips.
A plainer baked item without chocolate or fruit tends to be lower.
This rating comes from Tim Hortons' own published ingredient statement, read on August 23, 2026. Restaurant recipes vary by location and change over time, so always check the current listing: source 1, source 2. How we rate foods →
Tim Hortons Chocolate Chip Muffin and Tim Hortons are trademarks of their respective owners. This page is an independent histamine reference and is not affiliated with, endorsed by, or sponsored by the brand.
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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)