Additive

E503ii — Ammonium hydrogen carbonate · page 15

E503ii (Ammonium hydrogen carbonate) appears in the ingredient lists of 712 products sold in the United Kingdom.

712products with a complete record
3%rated A or B on Nutri-Score
26.4 gsugars per 100 g (median)
0.61 gsalt per 100 g (median)

Nutri-Score

How rated products spread
A 1%B 2%C 7%D 16%E 74%

592 rated products

Median values

Per 100 g, across all 712 products
Energy473 kcal
Sugars26.4 g
Saturates10.1 g
Salt0.61 g

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 73.85, 184.1135.

Technical effects listed by the FDA: dough strengthener, leavening agent, ph control agent, texturizer

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 1066-33-7 via Wikidata (CC0)

Products

712 products, most viewed first · page 15 of 15.

Source: Open Food Facts export of 1 November 2026, ODbL · Shelfpedia calculations (medians, distributions).