← All E-numbers

E101: Riboflavin

Also called: Vitamin B2, Lactoflavin

Colours

What it does

Gives a yellow colour; it is also vitamin B2.

What it is made from

Made by fermentation with micro-organisms, or synthetically.

Allergies and diets

No allergy or diet concern is recorded for this additive. That is not a guarantee: the source can differ between makers, so check the label.

Reading a whole label? Paste the ingredients into the label checker →

General information, not medical advice. Sources differ between manufacturers: check the label or ask the maker.

← E100 E101a →