The above comment pretty much covers it. But I can tell you with experience that eating paleo and practicing light yoga has improved my symptoms substantially.
Gluten-free vegan diet induces decreased LDL and oxidized LDL levels and raised atheroprotective natural antibodies against phosphorylcholine in patients with rheumatoid arthritis. A vegan diet free of gluten improves the signs and symptoms of rheumatoid arthritis: the effects on arthritis correlate with a reduction in antibodies to food antigens.
Paleo Autoimmune Protocol
Paleo Autoimmune Protocol is one of the best solutions for Rheumatoid Arthritis. The Paleo autoimmune protocol operates on the assumption that grains, legumes, and dairy are linked to the development of autoimmune diseases such as rheumatoid arthritis (RA).
If you have RA, it may be well worth the effort to determine whether specific foods or food groups contribute to your symptoms.
Chondroitin sulfate and [ SPAM LINK REMOVED glucosamine ] as therapeutic agents for knee and hip osteoarthritis. With respect to the structure-modifying effect, there is compelling evidence that glucosamine sulfate and chondroitin sulfate may interfere with progression of OA.
I have attached a PDF file that will definitely help you
"Modulation of immune function by dietary lectins in rheumatoid arthritis"
This PDF consists of detail suggestion by experts Loren Cordain*, L. Toohey, M. J. Smith and M. S. Hickey.