E530 — Magnesium oxide
E530 (Magnesium oxide) appears in the ingredient lists of 35 products sold in the United States.
Nutri-Score
24 rated products
Median values
| Calories | 375 kcal |
| Sugars | 7.7 g |
| Saturated fat | 7.0 g |
| Salt | 0.85 g |
Categories
Status in the United States (FDA)
Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 184.1431.
Technical effects listed by the FDA: anticaking agent or free-flow agent, drying agent, flavor enhancer, flavoring agent or adjuvant, formulation aid, humectant, 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 1309-48-4 via Wikidata (CC0)
Products containing it, by country
Products listing this additive in each country edition of Shelfpedia (Open Food Facts data)
| Country | Products |
|---|---|
| United States | 35 |
| France | 26 |
| Germany | 10 |
| Switzerland | 6 |
Products
35 products, most viewed first.
Source: Open Food Facts export of 23 October 2026, ODbL, and USDA FoodData Central, April 2026 release, CC0 · Shelfpedia calculations (medians, distributions).