Physcion is a dihydroxyanthraquinone that is 9,10-anthraquinone bearing hydroxy substituents at positions 1 and 8, a methoxy group at position 3, and a methyl group at position 6. It has been widely isolated and characterised from both terrestrial and marine sources. It has a role as a metabolite, an antibacterial agent, an antineoplastic agent, an antifungal agent, a hepatoprotective agent, an anti-inflammatory agent and an apoptosis inducer. It is functionally related to a 2-methylanthraquinone.