Additive · Stabiliser

E508 — Potassium chloride · page 4

E508 (Potassium chloride) appears in the ingredient lists of 158 products sold in the United Kingdom. Function: stabiliser, thickener, preservative.

158products with a complete record
11%rated A or B on Nutri-Score
2.5 gsugars per 100 g (median)
1.3 gsalt per 100 g (median)

Nutri-Score

How rated products spread
A 5%B 6%C 35%D 34%E 20%

103 rated products

Median values

Per 100 g, across all 158 products
Energy471 kcal
Sugars2.5 g
Saturates2.1 g
Salt1.3 g

Status in the United States (FDA)

Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 184.1622.

Technical effects listed by the FDA: enzyme, flavor enhancer, flavoring agent or adjuvant, malting or fermenting aid, nutrient supplement, ph control agent, processing aid, 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 7447-40-7 via Wikidata (CC0)