BHA, BHT, and TBHQ: The Preservatives Banned Overseas That You Are Still Eating

Three letters: BHA. Three more: BHT. Four more: TBHQ. These synthetic antioxidant preservatives are in Pop-Tarts, Goldfish crackers, Oreos, and countless pantry staples. They are not permitted in EU, Canadian, Japanese, or Australian food. Here is the full breakdown.

By Ricki, Founder of BannedPantryΒ·Β·Updated Feb 2026
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What Are BHA, BHT, and TBHQ?

BHA (Butylated Hydroxyanisole), BHT (Butylated Hydroxytoluene), and TBHQ (Tertiary Butylhydroquinone) are synthetic antioxidant preservatives derived from petroleum. They inhibit the oxidation of fats, preventing rancidity. All three were introduced into US food in the 1950s under GRAS designations that have never been formally re-reviewed.

BHA vs BHT vs TBHQ Key Differences
PreservativeChemical NameUS StatusEU StatusIARC Class
BHAButylated HydroxyanisolePermitted (GRAS)Restricted to specific usesGroup 2B possible carcinogen
BHTButylated HydroxytoluenePermitted (GRAS)Restricted to specific usesNot classified under review
TBHQTertiary ButylhydroquinonePermitted 0.02% of fatNot permittedADI declined by EU

BHA: IARC Group 2B Possibly Carcinogenic

BHA was classified as IARC Group 2B (possibly carcinogenic to humans) based on animal studies showing tumor formation in rat forestomach tissue. The EU restricts BHA use significantly - limiting it to fats and oils only at much lower levels than the US permits. Source: IARC Monographs Vol. 40 https://monographs.iarc.who.int

TBHQ: The Preservative the EU Refused to Approve

The EU Scientific Committee for Food reviewed TBHQ and declined to set an Acceptable Daily Intake - meaning it could not be approved. TBHQ has never been approved for food use in the EU, Canada, Japan, or Australia. In the US, the FDA permits it at 0.02% of total fat content. Source: EFSA TBHQ assessment https://www.efsa.europa.eu/en/efsajournal/pub/3192

Which US Products Contain TBHQ?

  • Pop-Tarts (in soybean oil)
  • Goldfish Colors crackers (soybean oil with TBHQ)
  • Oreos US version (some formulas)
  • Ritz Crackers
  • Many fast food frying oils
  • Many bagged microwave popcorn products

Clean Alternatives Without BHA/BHT/TBHQ

  • Siete Family Foods chips: preserved with rosemary extract
  • Annies Organic Crackers: no BHA/BHT/TBHQ
  • Chosen Foods Avocado Oil Mayo: no TBHQ
  • Simple Mills Crackers: no synthetic antioxidants
  • LesserEvil Organic Popcorn: coconut oil is naturally stable; no TBHQ

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Frequently Asked Questions

Is TBHQ in Pop-Tarts?+
Yes. Pop-Tarts contain TBHQ in the soybean oil used in the filling and crust. TBHQ is not permitted in EU food - the UK version uses palm oil without TBHQ.
Is BHA the same as BHT?+
No. BHA (Butylated Hydroxyanisole) and BHT (Butylated Hydroxytoluene) are similar but distinct synthetic antioxidants. BHA is classified as IARC Group 2B. Both are restricted in EU and banned in Japan for most food applications.
Are BHA BHT and TBHQ cancer-causing?+
BHA is classified by IARC as possibly carcinogenic Group 2B based on animal studies. BannedPantry uses associated with language. Consult your healthcare provider for personal risk assessment.
Which cereals contain BHT?+
Froot Loops (US) contains BHT. The UK/EU formula does not. BannedPantry scanner identifies BHT in any product instantly.
What does BHT added to packaging mean?+
BHT impregnated into packaging material migrates into the food to prevent oxidation. The FDA permits this and considers it equivalent to BHT in the ingredient list.

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Editorial note: BannedPantry provides educational information only. This content is not medical or legal advice. Regulatory status of ingredients can change β€” always check current official sources. "Associated with" language reflects available research associations, not established causation. Always consult your healthcare provider for personal health decisions.
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