Additive
E920 — L-cysteine · page 2
E920 (l-cysteine) appears in the ingredient lists of 54 products sold in Ireland.
54products with a complete record
33%rated A or B on Nutri-Score
3.2 gsugars per 100 g (median)
0.91 gsalt per 100 g (median)
Nutri-Score
How rated products spread
A 21%B 13%C 56%D 6%E 4%
48 rated products
Median values
Per 100 g, across all 54 products
| Energy | 272 kcal |
| Sugars | 3.2 g |
| Saturates | 0.93 g |
| Salt | 0.91 g |
Categories
Most represented
Status in the United States (FDA)
Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 172.320, 184.1271.
Technical effects listed by the FDA: dough strengthener, flavor enhancer, flavoring agent or adjuvant, flour treating agent, 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 52-90-4 via Wikidata (CC0)
Products
54 products, most viewed first · page 2 of 2.
a
and 099406 051551 STAFFORD'S BAKERIES EOld Style CStafford's Bakeries
Source: Open Food Facts export of 1 November 2026, ODbL · Shelfpedia calculations (medians, distributions).