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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Official ingredient list, confirms TBHQ present.
https://smartlabel.kelloggs.com/Product/Index/00024100122615Independent assessment placing TBHQ on EWG's Dirty Dozen Food Chemicals list.
https://www.ewg.org/news-insights/news/2026/04/dirty-dozen-food-chemicals-tbhqGRAS 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-172.185Chemistry reference for TBHQ as a butane-derived petroleum compound.
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