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Forkin
E300No regulatory flags

Ascorbic Acid (Vitamin C)

Function: Antioxidant

E300 is the European food-additive number for Ascorbic Acid (Vitamin C), an antioxidant — used to stop fats and oils going rancid and to protect colour. Ascorbic Acid (Vitamin C) (E300) is an antioxidant used as a food additive.

What is E300 used for?

Ascorbic Acid (Vitamin C) (E300) is an antioxidant — used to stop fats and oils going rancid and to protect colour. It is added during food production for a technological purpose rather than for nutrition.

Is E300 safe or restricted?

E300 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as No regulatory flags and does not make health claims. See the methodology for how regulatory levels are assigned.

Frequently asked questions about E300

What is E300?
E300 is the E-number for Ascorbic Acid (Vitamin C), an antioxidant — used to stop fats and oils going rancid and to protect colour. Ascorbic Acid (Vitamin C) (E300) is an antioxidant used as a food additive.
What is E300 used for?
Ascorbic Acid (Vitamin C) (E300) is an antioxidant — used to stop fats and oils going rancid and to protect colour. Manufacturers add it during processing rather than for nutrition. The Forkin app shows which products in your scan history actually contain it.
Is E300 vegan or vegetarian?
It depends on the source. Many additives can be produced from plant, mineral, or animal-derived raw materials, and the ingredient list rarely states which was used. The Forkin app shows the verified vegan and vegetarian status per product where it's known, instead of a blanket guess.
Is E300 safe, and is it banned anywhere?
E300 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as "No regulatory flags" and does not make health claims — see the methodology page for how regulatory levels are assigned, and the Forkin app for the full profile, including acceptable daily intake (ADI) and restrictions by country.

See the full profile in Forkin

The Forkin app surfaces the full regulatory profile of E300 — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it.

Related additives (Antioxidant)

Regulatory-level classification based on EFSA evaluations, IARC monograph groupings, and the EU food additive register (Regulation (EC) No 1333/2008). Informational only — not medical or dietary advice. See methodology for the rubric.