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Subway Applesauce

Moderate histamine

Subway's applesauce is moderate because of the lemon juice concentrate blended into the apple.

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

This is mashed apple with lemon juice concentrate added to keep it fresh-looking.

  • Lemon juice concentrate — citrus is a classic high histamine liberator, and even concentrated as a small addition it is what carries the level here.

  • The apple itself is milder — plain apple is low, so if it were apple alone this would sit lower, but the lemon is baked into the product.

A fresh whole apple skips the lemon entirely.

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 Subway'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 →

Subway Applesauce and Subway 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 moderate-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)