Additives
Potassium Ascorbate (E303): What It Is and Is It Safe?
Safe
Antioxidant
Potassium ascorbate is the potassium salt of ascorbic acid, vitamin C, and acts as an antioxidant and acidity regulator, behaving nutritionally like vitamin C. It is innocuous at food-relevant levels. It is not included in the EU/GB authorised additives list, where the permitted ascorbates are E300 to E302 and E304.
- Category
- Antioxidant
- Typically used in
- Antioxidant and vitamin-C source in some meat and beverage products outside the EU.
- Regulatory status
- Not listed in the EU/GB authorised additives list; authorised ascorbates are E300 to E302 and E304.
Scrannr flags Potassium Ascorbate automatically when you scan a barcode.
Sources
Where this comes from
- Food Standards Agency (2024) — Approved additives and E numbers https://www.food.gov.uk/business-guidance/approved-additives-and-e-numbers
Products
Products containing Potassium Ascorbate
We're building product pages that show real UK products containing Potassium Ascorbate, using Open Food Facts data. They'll appear here soon — in the meantime, scan any barcode with the Scrannr app to check for it instantly.
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