Home › Ingredients › TBHQ (E319)
Is TBHQ (E319) safe?
- EU: permitted — but only in a narrow list of mostly fatty foods, with strict limits
- US & India: permitted, capped at 0.02% of the fat/oil content (200 mg/kg)
- EFSA (2016): high-consuming toddlers and children could exceed the safe daily limit at maximum permitted levels
- LabelCop: flags E319 on every label — restricted everywhere, with one of the lowest safe intakes of any antioxidant
What is TBHQ?
- A synthetic antioxidant (tertiary-butylhydroquinone) — its job is stopping fats and oils going rancid
- A chemical cousin of BHA — the two are often used together in the same product
- Label names: TBHQ, E319, INS 319, tertiary-butylhydroquinone — sometimes listed under the oil ingredient as "antioxidant (319)"
Which foods contain it?
- Frying oils and packaged edible oils and fats
- Instant noodles and other fried noodle products
- Crisps and potato-, cereal- or flour-based snacks
- Biscuits, crackers and fine bakery products
- Processed nuts, sauces and fat spreads
- In India: most common in packaged frying oils, instant noodles and namkeen/fried snacks — look for INS 319 or "antioxidant (319)" on the label
What the regulators actually say
| Regulator | Status | Reasoning |
|---|---|---|
| EFSA / European Union | Permitted — narrow categories, exposure concern for children | E319 is authorised under Regulation 1333/2008, but only in a defined list of mostly fatty foods with maximum limits. EFSA confirmed the safe daily intake (0.7 mg/kg body weight) in 2004, finding no evidence it causes cancer. Its 2016 exposure assessment found high-consuming toddlers and children could exceed that limit if manufacturers used the maximum permitted amounts; more realistic usage estimates stayed below it. |
| FDA (United States) | Permitted with a cap | Allowed as an antioxidant under 21 CFR 172.185: the total antioxidant content (TBHQ alone or combined with BHA/BHT) must not exceed 0.02% of the food's fat or oil content. Permitted in more food categories than in the EU. |
| FSSAI (India) | Permitted with a cap | Allowed as an antioxidant (INS 319) in edible oils and fats up to 200 mg/kg under FSSAI's additive regulations — the same ceiling as the US. |
| WHO / JECFA | Safe within a low daily limit | The joint FAO/WHO expert committee set an acceptable daily intake of 0–0.7 mg/kg body weight (1998) — one of the lower limits among common antioxidants. Effects in animal studies appeared only at doses far above this limit. |
| UK (FSA) | Permitted | E319 is on Great Britain's register of authorised food additives, with conditions of use carried over from the EU rules. |
Why the disagreement — and the myth
- The myth: "TBHQ is banned in Europe." It isn't — but the EU permits it in far fewer food categories than the US, which is likely how the claim spread
- The real gap: the US and India allow TBHQ across a wide range of foods; the EU confines it to a short list of mostly fatty products
- The real concern: EFSA's 2016 assessment showed children with high intakes of fried snacks and bakery products could exceed the safe daily limit at maximum permitted use
- The context: a 2023 California bill originally proposed restricting TBHQ, but it was dropped from the final law — no US jurisdiction currently bans it
- All regulators agree on one thing: TBHQ needs a ceiling. They differ on how many foods it belongs in — we show you that difference instead of quietly picking a side
- E319 is a high-risk flag in LabelCop
- Rule: strictest regulator wins — the EU confines TBHQ to a narrow list of foods, and EFSA found children can exceed the safe daily limit at maximum permitted use, so we flag it everywhere
- The product's score takes a penalty — and you see the flag, the reason and the sources. No black box
Frequently asked questions
Is TBHQ banned in Europe?
No — one of the most repeated myths about this additive. E319 is authorised in the EU under Regulation 1333/2008, but only in a defined list of mostly fatty foods with strict maximum limits. The myth likely persists because the EU permits it in far fewer categories than the US.
Why is TBHQ in instant noodles and crisps?
These foods are fried in oil, and TBHQ stops that oil going rancid — extending shelf life and protecting flavour. It is often added to the frying oil itself, so it can appear on the label under the oil ingredient as "antioxidant (319)".
How much TBHQ is safe per day?
The WHO's expert committee (JECFA) set an acceptable daily intake of 0.7 mg per kg of body weight, confirmed by EFSA in 2004. EFSA's 2016 assessment found high-consuming toddlers and children could exceed this at maximum permitted use levels — realistic estimates stayed below it for all groups.
Is TBHQ the same as BHA and BHT?
Different compounds, close relatives — all synthetic antioxidants protecting fats, often used together. The FDA caps their combined total at 0.02% of a food's fat content. BHA carries an IARC "possible carcinogen" classification that TBHQ does not. See our BHA & BHT guide.
How do I avoid TBHQ?
Read the ingredients list for TBHQ, E319, INS 319 or tertiary-butylhydroquinone — most common in fried snacks, instant noodles, biscuits and packaged oils. Or scan the label with LabelCop and it's flagged automatically, with the regulator reasoning shown.
LabelCop reads any food label you photograph and flags additives like E319 instantly — no barcode needed.
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EFSA (2016): refined exposure assessment of TBHQ (E 319) · FDA: 21 CFR 172.185 — TBHQ conditions of use · WHO/JECFA (1998): tert-butylhydroquinone evaluation (Food Additives Series 42) · Regulation (EC) No 1333/2008 — EU list of authorised food additives · UK FSA: register of authorised food additives — E319 · FSSAI: Food Safety and Standards regulations — permitted additives
Related ingredients: BHA & BHT (E320/E321) · Sodium benzoate (E211) · Palm oil & palmolein — the frying oil TBHQ most often protects
This article explains regulatory status and published scientific assessments in plain English. It is not medical advice.