Only a small amount of research has been done on glucosamine and chondroitin for osteoarthritis of joints other than the knee and hip. Eight systematic reviews or meta-analyses and nine randomized controlled trials (Rcts) of supplements and complementary medicines were identified and 16 supplements were included in this review. The other thing this trial shows, though, is that the right exercises can have a beneficial impact on joint pain. Arrived very quickly – would happily buy again from simply supplements. Some dietary supplements may interact with medications or pose risks if you have medical problems or are going to have surgery. 11 These two nutrients are often found in the same supplements. 6,7,8 As a general rule, women are more likely to need to supplement with calcium than men.