Last reviewed May 2026 · 1 min read
Is Calcium Sorbate vegan?
Also known as: E203
E-number: E203
Vegan
Suitable for a vegan diet.
Yes — It is produced synthetically from sorbic acid and calcium hydroxide.
01 · The basics
What is Calcium Sorbate?
A polyunsaturated fatty acid salt used as a preservative to inhibit the growth of molds and yeasts.
02 · The source
Where it comes from
It is produced synthetically from sorbic acid and calcium hydroxide. It contains no animal derivatives.
03 · Alternatives
Best vegan alternatives
Potassium sorbate
Check Price on AmazonAffiliate links — VegOmm may earn a commission from qualifying purchases.
Frequently asked
FAQ
Is E203 vegan?
Yes, the chemical itself is synthetically produced and vegan.
Is it safe to consume?
While approved in many regions, it was phased out in the EU due to a lack of safety data regarding genotoxicity, so European products no longer use it.
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