Additive

E503ii — Ammonium hydrogen carbonate · page 7

E503ii (Ammonium hydrogen carbonate) appears in the ingredient lists of 313 products sold in Canada.

313products with a complete record
0%rated A or B on Nutri-Score
23.3 gsugars per 100 g (median)
0.75 gsalt per 100 g (median)

Nutri-Score

How rated products spread
A 0%B 0%C 7%D 20%E 72%

243 rated products

Median values

Per 100 g, across all 313 products
Energy467 kcal
Sugars23.3 g
Saturates7.1 g
Salt0.75 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)