In addition xanthones in mangosteen appear to function as:

    Anti-inflammatory.
    Analgesic: prevent pain nerves.
    Anti-ulcer: preventing ulcer disease.
    Anxyolytic: preventing anxiety, panic and anxiety.
    Anti-virals: kill germs.
    Anti-biotic: prevent bacteria.
    Anti-fungal: anti-infection by the fungus.
    Anti-obesity: preventing obesity.
    Anti-arthritic: prevent bone pain.
    Anti-allergenic: prevent allergies.
    Anti-vertigo: prevent vertigo.