TBHQ (Tertiary Butylhydroquinone) vs BHT (Butylated Hydroxytoluene) — Which Is Worse?

FactorTBHQ (Tertiary Butylhydroquinone)BHT (Butylated Hydroxytoluene)
E-NumberE319E321
CategoryPreservativePreservative
SeverityModerate Risk (6/10)Moderate Risk (6/10)
FDA StatusFDA-approved at levels not exceeding 0.02% of the fat or oil content (21 CFR 172.185). FDA classifies it as a food addit…FDA classifies BHT as GRAS at levels up to 0.02% of the fat content of food (21 CFR 182.3173).
EFSA StatusEFSA set an ADI of 0.7 mg/kg body weight/day in 2004. Approved in the EU with restricted maximum levels.EFSA set an ADI of 0.25 mg/kg body weight/day in 2012. Approved in the EU with restricted usage levels.
Banned In——
Products Found412

Key Differences

Health Concerns Comparison

TBHQ (Tertiary Butylhydroquinone)

BHT (Butylated Hydroxytoluene)

Which Products Use Each?

4
products contain TBHQ (Tertiary Butylhydroquinone)
12
products contain BHT (Butylated Hydroxytoluene)

⚖️ The Verdict

Both TBHQ (Tertiary Butylhydroquinone) and BHT (Butylated Hydroxytoluene) have the same severity score (6/10). Neither is clearly worse than the other based on current data.

Both ingredients should be consumed mindfully. Use CheckIt AI to scan products and avoid whichever ones concern you most.

Frequently Asked Questions

Is TBHQ (Tertiary Butylhydroquinone) or BHT (Butylated Hydroxytoluene) worse?
Both TBHQ (Tertiary Butylhydroquinone) and BHT (Butylated Hydroxytoluene) have the same severity score (6/10). Neither is clearly worse based on available data.
What is the difference between TBHQ (Tertiary Butylhydroquinone) and BHT (Butylated Hydroxytoluene)?
Both are preservatives. TBHQ (Tertiary Butylhydroquinone) has a severity of 6/10 and is found in 4 products. BHT (Butylated Hydroxytoluene) has a severity of 6/10 and is found in 12 products.
Are TBHQ (Tertiary Butylhydroquinone) and BHT (Butylated Hydroxytoluene) banned?
TBHQ (Tertiary Butylhydroquinone) is not currently banned in any major market. BHT (Butylated Hydroxytoluene) is not currently banned in any major market.
How can I avoid both TBHQ (Tertiary Butylhydroquinone) and BHT (Butylated Hydroxytoluene)?
Download CheckIt AI and scan any product's barcode or ingredient label. The app will flag both TBHQ (Tertiary Butylhydroquinone) and BHT (Butylated Hydroxytoluene) and suggest safer alternatives.
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⚕️ This comparison is for educational purposes only. It is not medical advice. Consult a healthcare professional for personalized dietary guidance.

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📋 Cite This Data
APACheckIt AI. (2026). "TBHQ (Tertiary Butylhydroquinone) vs BHT (Butylated Hydroxytoluene) — Which Is Worse? | CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/ingredients/tbhq-vs-bht
MLA"TBHQ (Tertiary Butylhydroquinone) vs BHT (Butylated Hydroxytoluene) — Which Is Worse? | CheckIt AI." CheckIt AI, Climaverse PBC, 2026-03-05. https://getcheck.it/ingredients/tbhq-vs-bht.
HTML Embed<a href="https://getcheck.it/ingredients/tbhq-vs-bht">TBHQ (Tertiary Butylhydroquinone) vs BHT (Butylated Hydroxytoluene) — Which Is Worse? | CheckIt AI — CheckIt AI</a>
BibTeX@misc{checkit2026ingredientstbhqvsbht, title = {TBHQ (Tertiary Butylhydroquinone) vs BHT (Butylated Hydroxytoluene) — Which Is Worse? | CheckIt AI}, author = {CheckIt AI}, year = {2026}, publisher = {Climaverse PBC}, url = {https://getcheck.it/ingredients/tbhq-vs-bht}, note = {Retrieved 2026-03-05} }