The extract of the Boswellia plant has traditionally been used as a remedy for arthritis, and is still used today to promote joint health and maintain mobility. It acts as an anti-inflamatory and increases blood flow to joints, improving mobility and limiting stiffness. Nature's Way Boswellia Standardized Extract is formulated to contain 65 percent of the active ingredient, boswellic acid. If you suffer from joint pain and stiffness, Boswellia Standardized Extract is a great, easy on the stomach alternative to medicines like ibuprofen and aspirin.