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Firehouse Subs Sweet Baby Ray's BBQ Sauce

High histamine

This BBQ sauce is high in histamine, led by tomato paste, tamarind, and mustard flour.

Food here is usually assembled to order from components that were prepped earlier in the day, so it tends to be fresher than a drive-through and less fresh than cooking at home. Histamine builds up as protein foods sit, so how long the chicken or beef has been in the warmer matters as much as what is in the bowl. Treat the rating above as a starting point.

Histamine Liberator

It is a sweet, tangy sauce built on tomato paste, vinegar, and sweeteners.

  • Tomato paste and pineapple juice concentrate — both are classic histamine liberators, and concentrating them into a sauce keeps them high.

  • Tamarind and mustard flour — tamarind and mustard flour both run high, and the molasses adds a moderate note on top, so several parts push in the same direction.

Skipping this sauce entirely and keeping your sub dry or with a simple oil drizzle is the lower-histamine route.

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 Firehouse Subs' own published ingredient statement, read on August 11, 2026. Restaurant recipes vary by location and change over time, so always check the current listing: source 1, source 2. How we rate foods →

Firehouse Subs Sweet Baby Ray's BBQ Sauce and Firehouse Subs 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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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)