Riboflavin (E101)
Updated October 2, 2026
Riboflavin (E101) is a food additive in the “colors” group. It appears in 3,576 products in our database, 531 of them sold in the US.
Quick facts
- Also known as
- E101
- E-number
- E101
- Function
- Colors
- Found in
- 3,576 products (531 sold in the US)
Foods that commonly contain Riboflavin
Share of published products in each category whose ingredient list includes Riboflavin.
Popular products with Riboflavin
e NOVA 4 
c NOVA 4 
NOVA 4 
d NOVA 4 
e NOVA 4 
NOVA 4 
c NOVA 4 
c NOVA 4 
a NOVA 4 
d NOVA 4 Riboflavin-free alternatives
Popular products from the same categories that don't list Riboflavin and score Nutri-Score A–C.
c NOVA 4 
c NOVA 4 
c NOVA 4 
c NOVA 4 
c NOVA 4 How to spot Riboflavin on a label
Look for any of these names in the ingredient list:
Related additives
Frequently asked questions
What foods contain Riboflavin?
In our database, Riboflavin most often appears in instant noodles, sweetened beverages, energy drinks and groceries.
How many products contain Riboflavin?
3,576 published products on Foodmetria list Riboflavin, including 531 sold in the United States. Counts come from ingredient lists in Open Food Facts and update daily.
Product data: Open Food Facts (ODbL), updated daily. Additive information is for general education and is not medical advice. Always check the package label. Our methodology.