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Jamba Juice Sourdough Parmesan Pretzel

High histamine

This pretzel is high, driven by the sourdough base, aged parmesan, and yeast extract.

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.

This is a soft pretzel made with sourdough and parmesan, and several parts push it high.

  • Sourdough and parmesan stack up — sourdough is a fermented dough and parmesan is a long-aged cheese, and both fermentation and aging build histamine.

  • Yeast extract and the flour add to it — autolyzed yeast extract runs high, while the enriched wheat flour and added yeast sit moderate.

Because the sourdough and cheese are baked into it, there is no clean way to order this one down.

This rating comes from Jamba Juice's 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 →

Jamba Juice Sourdough Parmesan Pretzel and Jamba Juice 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)