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Is E300 halal or haram?

Ascorbic acid (Vit C) · Antioxidant

HalalLast reviewed: April 2026

E300 (Ascorbic acid (Vit C)) is generally classified as halal. Synthetic / fermentation-derived.

What is E300?

E300, listed on labels as Ascorbic acid (Vit C), is an antioxidant that stops fats and oils from turning rancid. You'll most often find it in packaged and processed foods.

Is E300 halal? The verdict

Good news — you can treat E300 as halal. Synthetic / fermentation-derived. 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 E300 on a label

If you see E300 (or "Ascorbic acid (Vit C)") 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

  • Ascorbic acid (Vit C)
  • E300

Bottom line

E300 is halal. Safe to consume as far as this additive is concerned.

Stop guessing in the aisle

Halal Food AI flags E300 and every other suspect or not-halal additive automatically — just scan the barcode or snap the ingredient list. Plain-language verdicts, 25+ languages.