Cheez-It Original

TBHQ. Do you know what this is?

Cheez-It Original contains TBHQ (tertiary butylhydroquinone). TBHQ is a preservative synthesized from butane, a compound derived from petroleum refining. It prevents fats from going rancid. It is FDA-approved (GRAS status) at concentrations up to 0.02% of fat content. In April 2026, EWG listed TBHQ in its "Dirty Dozen Food Chemicals" report. Most people have eaten it dozens of times without knowing what the acronym means.

Source: EWG "Dirty Dozen Food Chemicals: TBHQ," April 15, 2026. FDA GRAS status at 21 CFR 172.185.

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Sources & citations

Every claim on this page is sourced from a primary document.

We don't editorialize ingredient research. Each statement above traces to one of the publications below. Click through to read the original.

  1. Cheez-It Original SmartLabel (Kellanova)

    Official ingredient list, confirms TBHQ present.

    https://smartlabel.kelloggs.com/Product/Index/00024100122615
  2. EWG Dirty Dozen Food Chemicals - TBHQ, April 15, 2026

    Independent assessment placing TBHQ on EWG's Dirty Dozen Food Chemicals list.

    https://www.ewg.org/news-insights/news/2026/04/dirty-dozen-food-chemicals-tbhq
  3. FDA 21 CFR 172.185

    GRAS status for TBHQ as a preservative at maximum 0.02% of fat content.

    https://www.ecfr.gov/current/title-21/chapter-I/part-172/section-172.185
  4. Wikipedia - tert-Butylhydroquinone

    Chemistry reference for TBHQ as a butane-derived petroleum compound.

    https://en.wikipedia.org/wiki/Tert-Butylhydroquinone
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