Boswellia: Good For Joints. Even people who are in good physical condition can suffer joint pain, and many adults wind up with osteoarthritis. Often, these people use over-the-counter or prescription anti-inflammatory drugs. But there is an alternative, called boswellia.Boswellia refers to the resin of various species of Boswellia, which are shrubs and small trees native to the Red Sea region, northeastern Africa, and the mountains of central India.ften, these people use over-the-counter or prescription anti-inflammatory drugs. But there is an alternative, called boswellia. Boswellia refers to the resin of various species of Boswellia, which are shrubs and small trees native to the Red Sea region, northeastern Africa, and the mountains of central India.