I haven't heard of it, but we own a racehorse and I'll be seeing him tomorrow, so I'll ask his trainer about it.
Have you thought about "golden paste", which is a paste made with Turmeric that a lot of people, dog owners and horse owners use for arthritis and other conditions? There is a Facebook group called Turmeric User Group, which was set up by a vet a few years ago.
William continues to have acupuncture every 8 weeks and it definitely puts a spring in his step. He's very good about it but sometimes one of the needles will be uncomfortable for him, so I can understand Ozzy not liking it.