I started using MSM a couple of years ago to help with my mare's arthritic hocks. The last order was full of firm lumps, where previously the product was lump free. A little more of a nuisance to mix it in the feed. Otherwise I have no concerns.

Was super easy to order. Shipped very quickly and arrived within a week of it being shipped!

Appears to be helping my sore ottb so far! 🤞

I am very happy with this product. My horse stretches more easily and what little stiffness he had seems to have been alleviated. Plus, it is very palatable - which is good, because he is quite a picky eater.

This product seems to be working well for our horses

Seems to be helping my dear old gelding get around the pasture this winter. He’s looking perky!

I love mad barn’s MSM, it really seems to help my horse’s joints and ligaments!

I’ve been using MSM for my 23-year-old mare, Daisy Chain, who has mild joint pain, for the past two years. A few months ago, I switched to the Mad Barn brand. It’s a good product—easy to measure, mix into her feed, and palatable for her. Since starting MSM, Daisy has shown noticeable improvement in her comfort and mobility. The Mad Barn MSM aligns with their reputation for high-quality supplements, and I appreciate the affordability and convenience of their products. I would recommend Mad Barn MSM to anyone looking to support their horse’s joint health!

My mare had clicked joints and slight swelling on her hocks. The MSM has improved the clicking and the swelling is gone!

I feed the MSM to my 24 year old mini and after a month he is much more inclined to trot and canter in the field.