Is E300 (Ascorbic acid (Vitamin C)) Halal?

Our assessment

Generally halal

E300 (Ascorbic acid / Vitamin C) is manufactured by fermentation and synthesis from plant sugars, with no animal origin, so it is generally considered halal.

Also known asAscorbic acidL-ascorbic acidVitamin C

What is E300?

Ascorbic acid is vitamin C, used as an antioxidant to prevent browning and preserve freshness, and to fortify foods. Commercial ascorbic acid is produced industrially from glucose (typically corn-derived) through fermentation and chemical steps.

Produced from glucose (usually corn) by a combination of fermentation and synthesis. No animal-derived raw materials in the standard process.

Why is it generally halal?

Ascorbic acid is generally classified as halal because it is manufactured from plant sugars with no animal or alcohol component. A very small number of strict reviewers ask about processing aids; for certainty, look for certification. The finished product still needs its own verification.

Commonly found in

It may be found in — this does not mean every product below contains it.

  • Fruit juices and drinks
  • Cured and processed meats (as an antioxidant)
  • Baked goods (flour treatment)
  • Supplements and fortified foods

How it appears on labels

Ascorbic acidVitamin CE300Antioxidant (E300)

INS number: 300

How to verify a product in Singapore

  1. Ingredient-level guidance is not halal certification — check the complete product, not just this ingredient.
  2. Look for recognised halal certification, and check the finished product on the official MUIS HalalSG register.
  3. When the source or processing aids are unclear, contact the manufacturer.

Ingredient guidance is not certification. Verify the finished product on the MUIS HalalSG register or with the manufacturer.

Check MUIS HalalSG

Sources: EFSA, FAO/WHO, MUIS · Last reviewed: July 2026 · This guidance is not certification.

Frequently asked questions

Is E300 (ascorbic acid / Vitamin C) halal?

Yes — it is manufactured from plant sugars with no animal origin, so it is generally considered halal. The finished product still needs verification.

Is Vitamin C from animals?

No. Commercial ascorbic acid is made from glucose (usually corn) by fermentation and synthesis.

What names should I look for?

'Ascorbic acid', 'Vitamin C' or 'E300'.

Related ingredients
Sources & methodology

Humble Halal methodology: we classify additives by their common origin, not by any specific product. A generally-halal ingredient does not make a finished product halal-certified. This page is general guidance, not certification or religious/legal advice — always verify the complete product. Last reviewed July 2026.