I'm not recommending anything, check with your doctor first, but glucosamine condroitin has DEFINITELY helped me. Several years ago I injured my right shoulder, which had previously been afflicted with arthritis. I did nothing for the better part of a year, hoping the problem would go away. It didn't. Glucosamine C absolutely helped, actually cured it, but it took many months.
When I injured my left shoulder recently (before Christmas...darned ice) I immediately started the GC rather than waiting 8 months like I did with my other shoulder. Much faster recovery. I'm at about 90% right now.
Beak 50. My Doc told me that some brands don't work for some people while others do. Also, it's my understanding that there are two basic different types of arthritis, and GC doesn't help so much with one of the types, can't remember which.