Riboflavin-5′-phosphate
Function: Food colours
E101II is the European food-additive number for Riboflavin-5′-phosphate, a colour — added to give or restore colour to food. Riboflavin-5′-phosphate (E101ii) is a colour used as a food additive.
What is E101II used for?
Riboflavin-5′-phosphate (E101II) 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. See all Food colours (E-numbers).
Is E101II safe or restricted?
E101II 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 known concern” and does not make health claims. See the methodology for how regulatory levels are assigned, or the guide to how EU additives are approved, re-evaluated and banned.
Is E101II vegan or vegetarian?
Riboflavin-5′-phosphate (E101II) can be produced from plant, mineral, or animal-derived raw materials, and the ingredient list rarely states which source was used — so its vegan status genuinely depends on the specific product.
The production source can vary between manufacturers — the Forkin app shows product-specific vegan and vegetarian signals where available, based on ingredient and label data. Always read the label for allergens.
Which foods contain E101II?
E101II appears in 312 of the 4.9 million products in Forkin's catalogue — most often in Dietary Supplements, Energy Drink, and Multivitamin.
- Dietary Supplements58
- Energy Drink45
- Multivitamin41
- Vitamin C24
- Protein Powder / Shake20
- Electrolyte / Sports Drink15
- Vitamins & Supplements10
- B-Complex9
Often appears alongside
Additives most frequently found in the same ingredient lists as E101II across the catalogue.
Counts reflect Forkin's independently enriched product catalogue and update as new products are added — they are not a market-share statistic.
Frequently asked questions about E101II
- What is E101II?
- E101II is the E-number for Riboflavin-5′-phosphate, a colour — added to give or restore colour to food. Riboflavin-5′-phosphate (E101ii) is a colour used as a food additive.
- What is E101II used for?
- Riboflavin-5′-phosphate (E101II) 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.
- Which foods contain E101II?
- E101II appears in 312 of the 4.9 million products in Forkin's catalogue — most often in Dietary Supplements, Energy Drink, and Multivitamin. Scan any barcode with the Forkin app to see instantly whether a specific product contains it.
- Is E101II vegan or vegetarian?
- Riboflavin-5′-phosphate (E101II) can be produced from plant, mineral, or animal-derived raw materials, and the ingredient list rarely states which source was used — so its vegan status genuinely depends on the specific product. The Forkin app shows product-specific vegan and vegetarian signals where available, based on ingredient and label data, since the source can vary between manufacturers.
- Is E101II safe, and is it banned anywhere?
- E101II 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 known concern’ 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 E101II — acceptable daily intake (ADI), restrictions by country, vegan and vegetarian status, alternative names, and which products in your scan history contain it. See view pricing.