From the Manufacturer:
36 - 40% Pure Mangosteen whole fruit.
Contains other healthy and exotic fruits like Lychee and Starfruit.
Xanthones powerful antioxidants are extracted from the hull/peel of the Mangosteen using proprietary technology.
100% Natural. No gums, pectins or other artificial ingredients or fillers. No preservatives are added. No Potassium Sorbate or Sodium Benzoate is added.