Mangosteen is likely safe for most people, but it may increase the risk of bleeding. Before taking a new supplement or drastically changing your diet, it is important to consult with a healthcare provider. This tropical fruit, native to Southeast Asia, is consumed both as food and as medicine. Research conducted in vitro and on animals has revealed that mangosteen has antioxidant, anti-inflammatory, and antiproliferative effects against cancer cells.
Xanthones, the main components of the fruit, are thought to be responsible for these effects. Unfortunately, there have been no studies conducted on humans yet. Despite the lack of clinical evidence, mangosteen products are still being marketed as dietary supplements to cancer patients.