Is BHT Safe?
BHT is the additive E321 — a synthetic antioxidant, used as a antioxidant to help stop fats and oils turning rancid and protect food colour and flavour.
Is BHT safe to eat?
E321 is approved for use in the EU, UK and US at regulated levels, but some concerns or conditions apply. For most people, normal dietary exposure to E321 is not considered harmful.
EFSA status: Authorised in the EU — acceptable daily intake (ADI) or conditions of use apply
Source: European Food Safety Authority
What is BHT?
E321 is the E-number for BHT, one of the antioxidants group of food additives (E300–E399). Additives in this group stop fats and oils turning rancid and protect food colour and flavour. A synthetic antioxidant. Like every E-number, E321 has been evaluated and authorised for use in food in the European Union — the 'E' literally stands for Europe, and a number is only granted after a safety assessment. That authorisation doesn't mean every additive suits every diet or that all concerns are settled, which is why we break down the safety, vegan, vegetarian and halal status of E321 in detail below.
What foods contain BHT?
E321 (BHT) is typically found in:
- Oils
- Margarine
- Snacks
- Cured meats
- Soft drinks and processed foods
Frequently Asked Questions
Is BHT bad for you?
E321 is approved at regulated levels in the EU, UK and US, but some concerns exist — see the safety section above. Most people can consume it in normal amounts without harm.
Is BHT vegan?
E321 is vegan. A synthetic antioxidant, with no animal involvement in standard production.
Is BHT halal?
E321 is halal. A synthetic antioxidant, with no haram source involved.
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Additive data sourced from Open Food Facts (ODbL licence) and the European Food Safety Authority (EFSA).