Additive

E526 — Calcium hydroxide

E526 (Calcium hydroxide) appears in the ingredient lists of 14 products sold in the United Kingdom.

14products with a complete record
42%rated A or B on Nutri-Score
0.31 gsugars per 100 g (median)
0.64 gsalt per 100 g (median)

Nutri-Score

How rated products spread
A 17%B 25%C 42%D 17%E 0%

12 rated products

Median values

Per 100 g, across all 14 products
Energy104 kcal
Sugars0.31 g
Saturates0.80 g
Salt0.64 g

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 73.85, 184.1205.

Technical effects listed by the FDA: firming agent, nutrient supplement, ph control agent, processing aid

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 1305-62-0 via Wikidata (CC0)

Products containing it, by country

Products listing this additive in each country edition of Shelfpedia (Open Food Facts data)