E223 — Sodium metabisulfite
E223 (Sodium metabisulfite) appears in the ingredient lists of 2,702 products sold in the United States. Function: antioxidant, preservative.
Nutri-Score
2,249 rated products
Median values
| Calories | 281 kcal |
| Sugars | 3.3 g |
| Saturated fat | 3.3 g |
| Salt | 0.85 g |
Categories
- Frozen foods172
- Snacks130
- Chocolate candies128
- Biscuits115
- Sandwiches85
- Cakes66
- Cooking helpers61
- Bonbons60
Status in the United States (FDA)
Listed in the FDA inventory “Substances Added to Food”, with the regulations 21 CFR 173.310, 182.3766.
Technical effects listed by the FDA: antimicrobial agent, antioxidant, color or coloring adjunct, dough strengthener, flour treating agent, freezing or cooling agent, direct contact, oxidizing or reducing agent
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 7681-57-4 via Wikidata (CC0)
Products containing it, by country
Products listing this additive in each country edition of Shelfpedia (Open Food Facts data)
Products
2,702 products, most viewed first · page 1 of 57.
Source: Open Food Facts export of 23 October 2026, ODbL, and USDA FoodData Central, April 2026 release, CC0 · Shelfpedia calculations (medians, distributions).