Magnesium oxide
Function: Acidity Regulator
E530 is the European food-additive number for Magnesium oxide, an acidity regulator — used to control and stabilise the pH of a food. Magnesium oxide (E530) is an acidity regulator used as a food additive.
What is E530 used for?
Magnesium oxide (E530) is an acidity regulator — used to control and stabilise the pH of a food. It is added during food production for a technological purpose rather than for nutrition. See all acidity regulators (E-numbers).
Is E530 safe or restricted?
E530 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as “No regulatory flags” and does not make health claims. See the methodology for how regulatory levels are assigned, or the guide to how EU additives are approved, re-evaluated and banned.
Is E530 vegan or vegetarian?
Magnesium oxide (E530) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians.
The production source can vary between manufacturers — the Forkin app shows the verified vegan and vegetarian status per product. Always read the label for allergens.
Which foods contain E530?
E530 appears in 1,357 of the 4.7 million products in Forkin's catalogue — most often in protein powder / shake, dietary supplements and protein bars.
- Protein Powder / Shake168
- Dietary Supplements147
- Protein Bars80
- Electrolyte / Sports Drink66
- Cereal & Energy Bars55
- Energy Drink54
- Lemonade50
- Magnesium43
Often appears alongside
Additives most frequently found in the same ingredient lists as E530 across the catalogue.
Counts reflect Forkin's independently enriched product catalogue and update as new products are added — they are not a market-share statistic.
Frequently asked questions about E530
- What is E530?
- E530 is the E-number for Magnesium oxide, an acidity regulator — used to control and stabilise the pH of a food. Magnesium oxide (E530) is an acidity regulator used as a food additive.
- What is E530 used for?
- Magnesium oxide (E530) is an acidity regulator — used to control and stabilise the pH of a food. Manufacturers add it during processing rather than for nutrition. The Forkin app shows which products in your scan history actually contain it.
- Which foods contain E530?
- E530 appears in 1,357 of the 4.7 million products in Forkin's catalogue — most often in protein powder / shake, dietary supplements and protein bars. Scan any barcode with the Forkin app to see instantly whether a specific product contains it.
- Is E530 vegan or vegetarian?
- Magnesium oxide (E530) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians. The Forkin app shows the verified vegan and vegetarian status per product, since the source can vary between manufacturers.
- Is E530 safe, and is it banned anywhere?
- E530 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as "No regulatory flags" and does not make health claims — see the methodology page for how regulatory levels are assigned, and the Forkin app for the full profile, including acceptable daily intake (ADI) and restrictions by country.
See the full profile in Forkin
The Forkin app surfaces the full regulatory profile of E530 — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it. See view pricing.