Magnesium Oxide
supplement ingredient
What is it?
Magnesium Oxide is a supplement added for a specific benefit. Graded good: a real, recognisable ingredient that adds nutritional value, so it lifts a product’s score.
Other names on labels: magnesium
At a glance
- Base score
- 0.7 (from −1 to 1; higher is better)
- Found in
- 19 products
Products containing magnesium oxide
Results reflect the latest label we hold for each product, not a live check of today's recipe. Open a product to see its source and last-checked date.
Common questions about magnesium oxide
Is Magnesium Oxide good for dogs?
Yes, we grade it as a good ingredient: recognisable and nutritionally useful, so it lifts a product’s score. Bear in mind that no single ingredient decides quality; the whole recipe and its balance matter more.
What is magnesium oxide in dog food?
Magnesium oxide is a mineral compound used as a source of magnesium in dog food. It helps to balance minerals and is commonly listed in the analytical constituents or additive section of a pet food label. Speak to your vet if your dog has a known mineral sensitivity.
Is magnesium oxide safe for dogs?
Magnesium oxide is a widely accepted mineral source in complete dog foods. It appears in small amounts as part of a balanced mineral profile. Some dogs may be sensitive to magnesium supplements, so check with your vet if you have concerns.
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How many UK dog foods contain magnesium oxide?
19 UK products list magnesium oxide as an ingredient in our database. The full list is shown above, sorted by rating.
What else is magnesium oxide called on labels?
Manufacturers can also list it as magnesium. We match this to the same glossary entry when we read a label.
How does Open Dog Food grade magnesium oxide?
We grade it good, our highest grade, reserved for recognisable ingredients that add real nutritional value. Every ingredient is converted to its dry-matter share and scored from our glossary before a recipe gets its 1-100 rating; the full method is on our methodology page.