E621 — Monosodium glutamate · page 6
E621 (Monosodium glutamate) appears in the ingredient lists of 767 products sold in the United Kingdom. Function: flavour enhancer.
Nutri-Score
457 rated products
Median values
| Energy | 386 kcal |
| Sugars | 2.7 g |
| Saturates | 2.6 g |
| Salt | 1.7 g |
Categories
Status in the United States (FDA)
Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 172.320, 182.1.
Technical effects listed by the FDA: flavor enhancer, nutrient supplement, ph control agent, stabilizer or thickener
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 142-47-2 via Wikidata (CC0)
Products
767 products, most viewed first · page 6 of 16.
Source: Open Food Facts export of 1 November 2026, ODbL · Shelfpedia calculations (medians, distributions).