Efficacy and Benefits of Mangosteen Overall Antioxidants: Scientific research has revealed that Mangosteen contains natural polyphenol compounds known as Xanthones. Xanthones compounds and their derivatives have been shown to have several benefits, including anti-inflammatory. Xanthones is an effective remedy against various cardiovascular diseases. These antioxidants have healing properties that heal damaged cells caused by free radicals, slow aging and ward off degenerative diseases and physical and mental damage.