E400 — Alginic acid
E400 (Alginic acid) appears in the ingredient lists of 10 products sold in the United States. Function: carrier, emulsifier, humectant, sequestrant, stabilizer, thickener.
Nutri-Score
3 rated products
Median values
| Calories | 351 kcal |
| Sugars | 4.1 g |
| Saturated fat | 2.8 g |
| Salt | 0.84 g |
Status in the United States (FDA)
Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 184.1011.
Technical effects listed by the FDA: emulsifier or emulsifier salt, formulation 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 9005-32-7 via Wikidata (CC0)
Products containing it, by country
Products listing this additive in each country edition of Shelfpedia (Open Food Facts data)
| Country | Products |
|---|---|
| France | 71 |
| Australia | 24 |
| United States | 10 |
| United Kingdom | 9 |
| Switzerland | 8 |
| Canada | 8 |
| Germany | 5 |
Products
10 products, most viewed first.









Source: Open Food Facts export of November 1, 2026, ODbL, and USDA FoodData Central, October 2026 release, CC0 · Shelfpedia calculations (medians, distributions).