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Texas Roadhouse Original Margarita - Frozen

High histamine

This frozen margarita is high in histamine from the lime juice, lemon juice, tequila, and added sulfites.

Most of this is cooked to order, which is the best case for histamine. Even so, a restaurant kitchen preps ahead and holds things warm through a service, so freshness varies more than it would at home. The rating above comes from the chain's published ingredients. If a dish is borderline for you, asking how it is prepared tells you more than the menu does.

Histamine Liberator DAO Blocker

It is a blended tequila drink built on lime and lemon juice with sweeteners, and several parts drive it up.

  • Lime and lemon juice — both citrus juices are classic histamine liberators, so they run high on their own.

  • Tequila and sodium metabisulfite — the tequila is alcohol, which can block the DAO enzyme that clears histamine, and the added sulfite runs high too, with agave syrup adding a bit more.

There is no clean tweak that keeps this a margarita, so a non-alcoholic, citrus-free drink is the gentler pick.

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 Texas Roadhouse'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 →

Texas Roadhouse Original Margarita - Frozen and Texas Roadhouse 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)