Is Ascorbic Acid (Vitamin C, E300) vegan?
Vegan· E300
Commercial vitamin C is fermented from corn glucose. Vegan.
What it is
Synthetic L-ascorbic acid produced by the Reichstein process from glucose.
Why vegan
Plant/microbial sourcing — no animal inputs.
Where you'll find it
- Beverages
- Supplements
- Cured meat alternatives
- Antioxidant in flour
Vegan alternatives
- Already vegan
FAQ
- Is whole-food vitamin C better?
- Bioavailability is similar; whole-food sources add fibre and phytonutrients.
Sources
Last reviewed June 4, 2026