Riboflavin (Vitamin B2)
Function: Natural Color
E101 is the European food-additive number for Riboflavin (Vitamin B2), a colour — added to give or restore colour to food. Riboflavin (Vitamin B2) (E101) is a colour used as a food additive.
What is E101 used for?
Riboflavin (Vitamin B2) (E101) is a colour — added to give or restore colour to food. It is added during food production for a technological purpose rather than for nutrition.
Is E101 safe or restricted?
E101 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 E101
- What is E101?
- E101 is the E-number for Riboflavin (Vitamin B2), a colour — added to give or restore colour to food. Riboflavin (Vitamin B2) (E101) is a colour used as a food additive.
- What is E101 used for?
- Riboflavin (Vitamin B2) (E101) is a colour — added to give or restore colour to food. Manufacturers add it during processing rather than for nutrition. The Forkin app shows which products in your scan history actually contain it.
- Is E101 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 E101 safe, and is it banned anywhere?
- E101 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 E101 — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it.