The correct dosage of curcumin, a component found in turmeric, is 500 milligrams four times a day, explains WebMD. This is the dosage for upset stomach and osteoarthritis, but for rheumatoid arthritis, the recommended dosage is 500 milligrams twice a day.
There are studies of curcumin that indicate it is an effective treatment for osteoarthritis, claims WebMD. In fact, one study indicates that curcumin is just as effective as ibuprofen at treating osteoarthritis pain. As of 2015, there is some evidence that curcumin is also effective at treating eye inflammation, upset stomach, gum disease and irritable bowel syndrome, but more research must occur to find out more.