9,10-Didehydroeffususol A is a lignan isolated from Juncus effusus, used in research for its potential anti-inflammatory and neuroprotective properties. It shows activity in cellular models related to oxidative stress, suggesting possible applications in neurodegenerative disease studies. It is also investigated for its role in modulating enzyme activity involved in detoxification pathways. Additionally, it exhibits antioxidant effects and has been studied as a reference compound in analyses of natural plant extracts. Preliminary research indicates potential as a lead compound for developing treatments for chronic conditions, including diabetes. Limited to laboratory and preclinical research; not used in commercial or therapeutic products.