I’ve never heard of this treatment but I know that medical grade red light therapy has helped me with my shoulder and osteoarthritis pain. I’ve also heard stories of clients using it in their injured joints and they couldn’t believe the difference in just one session. There’s many red light therapies being offered and they can be spendy also so make sure your getting the right kind of red light therapy. Plus it’s good for you.
Check out this article.
https://www.rehabmart.com/post/red-light-therapy-devices-fda-approved/