I have RA, and I tried everything. Out of all what I've tried these what have helped me: Low Dose Naltrexone (this drug has hardly any side effects, and a cheap drug. It helps the body to heal itself). I started taking Raw organic apple cider vinegar with honey & water a few days ago. I can see the swelling & pain on my fingers & wrists improved a lot. I believe it has to do with ACV. If it is that, taking ACV would be the biggest thing that helped me so far; I'm keeping my fingers crossed.
The other things have helped me were not eating gluten, following sort of ketogenic diet (eating very less carbs), and getting 8 hour sleep, taking early dinner, and doing regular mild to moderate exercise. Hope this would help for all out there looking for help. All the best for a quick remission!