Last reviewed May 2026 · 1 min read
Is Erythorbic Acid vegan?
Also known as: Isoascorbic acid, E315
E-number: E315
Vegan
Suitable for a vegan diet.
Yes — It is produced synthetically or via the fermentation of naturally occurring sugars (like sucrose).
01 · The basics
What is Erythorbic Acid?
A stereoisomer of ascorbic acid (Vitamin C) used primarily as a food preservative and antioxidant to keep meat and vegetables looking fresh.
02 · The source
Where it comes from
It is produced synthetically or via the fermentation of naturally occurring sugars (like sucrose). It is entirely plant/microbe-based.
03 · Alternatives
Best vegan alternatives
Ascorbic acid (E300)
Check Price on AmazonAffiliate links — VegOmm may earn a commission from qualifying purchases.
Frequently asked
FAQ
Is E315 safe for vegans?
Yes, it is derived from plant sugars. However, it is most commonly found in cured meats, which vegans obviously avoid.
Does it provide Vitamin C?
No, despite being chemically almost identical to Vitamin C, the body cannot use it as a vitamin.
Commonly found in
More in this category
Other preservative ingredients
E1105 (Lysozyme)
A preservative often used to prevent bacterial growth in cheeses.
Dodecyl Gallate
An antioxidant used to prevent fats and oils from oxidizing and going rancid.
BHT
A synthetic antioxidant used to preserve the freshness, color, and flavor of packaged foods and cosmetics.
Keep exploring
Related ingredients
Allura Red AC
A popular synthetic red food dye used to give foods and drinks a prominent red or pink color.
Tartrazine
A bright lemon-yellow synthetic food dye commonly used in processed foods, drinks, and medications.
Brilliant Blue FCF
A synthetic blue dye used in foods, cosmetics, and dietary supplements to achieve a vibrant blue hue.
What's next