Sulfasalazine, and I have reduced from 2 pills 2 X day to 1 pill per day. Also take 300 mg allopurinol per day and 1 Celebrex down from 2 per day. I attribute the peptides to being able to reduce meds and mentioned to my Rheumatologist and doubt he has passed the info to any patients. My peptides come from an anti aging doc