Vitamins for Rheumatoid Arthritis | eHow.comRheumatoid arthritis is caused by an autoimmune system disorder that causes pain, inflammation and, if left untreated, can deform the joints of affected areas ...Vitamin Supplements For Rheumatoid Arthritis | LIVESTRONG.COMVitamin Supplements For Rheumatoid Arthritis. Hundreds of types of arthritis exist, all causing chronic inflammation for which no cures exist. Many treatments are ...Vitamin D May Prevent Arthritis - WebMD - Better information ...New research makes the case that vitamin D helps protect older women against rheumatoid arthritis -- an autoimmune joint disorder of unknown cause.