MSM
supplement ingredient
What is it?
MSM 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: methylsulfonylmethane, methylsulphonylmethane, methyl sulphonyl methane
Show 3 more label names
methyl-sulfonyl-methane, dimethyl sulphone, methysulfonylmethane
At a glance
- Base score
- 1 (from −1 to 1; higher is better)
- Found in
- 306 products
Products containing msm
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 msm
Is MSM 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.
Is MSM safe for dogs?
MSM is generally used in small supplemental amounts in pet food. Some dogs may experience digestive upset, and high-dose supplements should only be given under veterinary advice.
How many UK dog foods contain msm?
306 UK products list msm as an ingredient in our database. The full list is shown above, sorted by rating.
Show 2 more questions
What else is msm called on labels?
Manufacturers list it under several names: methylsulfonylmethane, methylsulphonylmethane, methyl sulphonyl methane, methyl-sulfonyl-methane, dimethyl sulphone, methysulfonylmethane. We match all of these to the same glossary entry when we read a label.
How does Open Dog Food grade msm?
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.