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Is E321 halal or haram?

BHT · Antioxidant

HalalLast reviewed: April 2026

E321 (BHT) is generally classified as halal. Synthetic.

What is E321?

E321, listed on labels as BHT, is an antioxidant that stops fats and oils from turning rancid. You'll most often find it in packaged and processed foods.

Is E321 halal? The verdict

Good news — you can treat E321 as halal. Synthetic. The additive itself needs no special certification. Keep in mind the finished product can still contain other ingredients that aren't halal, so always read the full list.

How to check E321 on a label

If you see E321 (or "BHT") in an ingredient list, no further checking is needed for this additive — focus your attention on meat, animal fats, gelatin and flavourings instead.

Other names & label terms to scan for

  • BHT
  • Butylated hydroxytoluene
  • INS 321
  • E321

Bottom line

E321 is halal. Safe to consume as far as this additive is concerned.

Stop guessing in the aisle

Halal Food AI flags E321 and every other suspect or not-halal additive automatically — just scan the barcode or snap the ingredient list. Plain-language verdicts, 25+ languages.