Boswellia is a genus of trees which produce true frankincense, is an herbal extract taken from the Boswellia serrata tree. Olibanum, another word for frankincense, is used for osteoarthritis, rheumatoid arthritis, joint pain (rheumatism), bursitis, and tendonitis, ulcerative colitis, abdominal pain, asthma, hay fever, sore throat, syphilis, painful menstruation, pimples, and cancer. The gum resin extracted from this little known plant has a positive and unique effect on joint health. Scientists claim that it reduces the white blood cell count in joint fluid, thereby improving arthritis sufferer’s joint functionality. In rare cases, boswellia has been associated with minor gastric discomfort, but typically this herbal supplement is effective and free of side effects.