When I worked with horses, I always used some of their absorbine equine gel on my shoulder which has chronic tendonitis. I worked so much better than the absorbine jr you can get at Walmart and the like... and we didn't need to pick it up from the vet it was over the counter at any of the local feed stores, ace hardware, tractor supply type places and also we could order it from Stateline Tack, online or through the catalog. Petsmart might not carry it though since they don't have much if anything for equines. But if you don't have a feed store or a tractor supply in your area you can always go to Stateline tack online and order it. And if you like horses or livestock they have a variety of cute things for around the house too 😊