Magnesium oxide (E530)
Updated October 2, 2026
Magnesium oxide (E530) is a food additive in the “other additives” group. It appears in 95 products in our database, 39 of them sold in the US.
Quick facts
- Also known as
- E530
- E-number
- E530
- Function
- Other additives
- Found in
- 95 products (39 sold in the US)
Foods that commonly contain Magnesium oxide
Share of published products in each category whose ingredient list includes Magnesium oxide.
Popular products with Magnesium oxide
NOVA 4
NOVA 4
NOVA 2
d NOVA 4
d NOVA 4
b NOVA 4
NOVA 4
d NOVA 4
e NOVA 4
NOVA 4 Magnesium oxide-free alternatives
Popular products from the same categories that don't list Magnesium oxide and score Nutri-Score A–C.
b NOVA 3
c NOVA 1
c NOVA 3
c NOVA 3
c NOVA 3 How to spot Magnesium oxide on a label
Look for any of these names in the ingredient list:
Related additives
Frequently asked questions
What foods contain Magnesium oxide?
In our database, Magnesium oxide most often appears in snacks, groceries, beverages and dehydrated beverages.
How many products contain Magnesium oxide?
95 published products on Foodmetria list Magnesium oxide, including 39 sold in the United States. Counts come from ingredient lists in Open Food Facts and update daily.
Product data: Open Food Facts (ODbL), updated daily. Additive information is for general education and is not medical advice. Always check the package label. Our methodology.