Is Tim Hortons Blt High in Histamine?

Tim Hortons Blt

High histamine

This BLT is high in histamine, driven by the sliced tomato and the lemon juice in the mayo.

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 Histamine Liberator

This sandwich stacks bacon, iceberg lettuce, sliced tomato, and a mayo on a wheat bun, and it comes out high.

Tomato and lemon do the damage — sliced tomato and lemon juice concentrate are both classic histamine liberators, and either one on its own is enough to make the sandwich high.
The bun adds to it — the cultured rye flour, malted barley flour, yeast, vinegar, and paprika all sit at moderate, so the base is not neutral either.

Skipping the tomato and the mayo takes out the two biggest drivers here.

This rating comes from Tim Hortons' 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 →

Tim Hortons Blt and Tim Hortons 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.