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Tim Hortons Lemon Poppyseed Muffin

High histamine

This muffin runs high because of the lemon zest running 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 lemon poppyseed muffin is an enriched wheat flour muffin with sugar, eggs, cream, milk, lemon zest, and poppy seeds.

  • Lemon carries it — citrus like lemon zest is a classic histamine liberator, which pushes this muffin high.

  • The base adds to it — the enriched wheat flour and the soybean or canola oil each land moderate, so the batter is not neutral even apart from the lemon.

A plainer baked item without citrus 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 Lemon Poppyseed 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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References

  1. SIGHI Food Compatibility List — SIGHI (2026)
  2. Histamine and histamine intolerance — Maintz & Novak (2007)
  3. Histamine Intolerance: The Current State of the Art — Comas-Basté et al. (2020)
  4. Low-Histamine Diets: Is the Exclusion of Foods Justified by Their Histamine Content? — Sánchez-Pérez et al. (2021)
  5. Histamine Intolerance: Symptoms, Diagnosis, and Beyond — Jochum (2024)
  6. Guideline on management of suspected adverse reactions to ingested histamine — Reese et al. (2021)