XanGo™ is the first commercial product to feature the complete nutrition of the whole Mangosteen fruit, which contains biologically active compounds called Xanthones, which have been proven in many scientific studies to provide the following: 1.Maintain intestinal health 2.Strengthen the immune system 3.Support cartilage and joint function 4.Promote a healthy respiratory system 5.Combat the effects of Free Radicals and Inflammation