Arthritis is a form of joint disorder that involves inflammation of one or more joints. The most common form of arthritis is osteoarthritis, but there are over 100 different types. The major symptom for arthritis is joint pain, which is often localized to the joint affected. If you are suffering from arthritis, you may consider taking vitamins and supplements to ease joint pain. Popular options for arthritis supplements includes glucosamine sulfate, calcium, chondroitin sulfate and omega-3.