I'll try to touch on this more later. I'm in between classes.
Whatever you may look for that reduces "joint pain" look to see if it has a direct effect on inhibiting the pro-inflammatory enzymes COX-1 and COX-2.
Also, on your next visit with your primary care provider, ask if s/he could pull your uric acid levels, to rule out gout. If gout is suspected, certain food elimination would be advisable.