Are there experts discussing arthritis management?

Yes. The available discussions cover arthritis-related topics, though they are not devoted exclusively to arthritis management.

• Inflammation and nutrition: Dr. Mark Hyman discusses a patient with psoriatic arthritis and describes an individualized approach involving dietary changes and other interventions. 1
• Pain expertise: Stanford pain-medicine specialist Dr. Sean Mackey discusses comprehensive pain management, including education, pain psychology, physical therapy, medication, and nutrition. 2
• Joint pain and treatment: Andrew Huberman discusses evidence on pain associated with osteoarthritis, including agmatine and SAMe; he does not present these as recommendations. 3