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Dunkin' Multigrain Bagel

High histamine

This bagel runs high in histamine, mainly from its sunflower seeds and fermented wheat flour.

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.

Gluten

A multigrain bagel is a chewy bread built from wheat and whole wheat flour, sunflower and flax seeds, millet, oats, yeast, and a touch of molasses and honey.

  • Sunflower seeds and fermented wheat flour — the seeds are high in histamine on their own, and the fermented wheat flour adds more since fermentation builds histamine as it develops.

  • The base and add-ins — the multigrain blend, plain wheat flour, wheat bran, yeast, and molasses each sit at moderate, so together this leans firmly high rather than mild.

A plainer, unfermented bread option is a friendlier pick here.

What's in it

This is a restaurant menu item, so its rating comes from its ingredients. Here is what it is typically made of and where the histamine sits. Tap any whole food for the full detail.

This rating comes from Dunkin's own published ingredient statement, read on August 10, 2026. Restaurant recipes vary by location and change over time, so always check the current listing: source 1, source 2. How we rate foods →

Dunkin' Multigrain Bagel and Dunkin' 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.

Related foods

Other high-histamine restaurant foods.

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Learn more

Foods With High Histamine Levels Why Freshness Matters More Than Food Lists Why Leftovers Can Trigger Histamine Symptoms What Are Histamine Liberators?

For educational purposes only. Not medical advice. Consult a healthcare professional for personal guidance.

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)