E101 — Riboflavins
E101 (Riboflavins) appears in the ingredient lists of 227 products sold in the United Kingdom. Function: colour.
Nutri-Score
145 rated products
Median values
| Energy | 144 kcal |
| Sugars | 8.1 g |
| Saturates | 1.1 g |
| Salt | 0.59 g |
Status in the United States (FDA)
Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 73.450, 184.1695.
Technical effects listed by the FDA: color or coloring adjunct, flavor enhancer, flavoring agent or adjuvant, nutrient supplement
The inventory is a partial list, and a listing is not an FDA approval of every use; the regulations set the permitted uses.
U.S. Food and Drug Administration, Substances Added to Food (updated 9/8/2026), public domain · CAS 83-88-5 via Wikidata (CC0)
Products containing it, by country
Products listing this additive in each country edition of Shelfpedia (Open Food Facts data)
| Country | Products |
|---|---|
| United States | 493 |
| United Kingdom | 227 |
| Canada | 86 |
| Australia | 55 |
| Ireland | 50 |
| Croatia | 24 |
| New Zealand | 22 |
| India | 15 |
| Philippines | 5 |
| South Africa | 5 |
Products
227 products, most viewed first · page 1 of 5.
Source: Open Food Facts export of 1 November 2026, ODbL · Shelfpedia calculations (medians, distributions).