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Is Potassium Ascorbate vegetarian?

Potassium Ascorbate

Vegetarian Vegetarian
Vegan Vegan

Potassium Ascorbate is the potassium salt of ascorbic acid (vitamin C), used as an antioxidant food additive and cosmetic ingredient. It is produced synthetically and shows strong antioxidant activity.

Also known as Potassium L-ascorbate
INCI name Potassium Ascorbate
E number E303
INS number 303
CAS number 15421-15-5
EC number 239-432-1
CosIng ID 83760
Last reviewed 9 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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