(-)-Epipinoresinol is utilized in biochemical research, particularly for studying the antioxidant properties and biological activities of lignan compounds. It demonstrates anti-inflammatory effects and shows potential for development as a pharmaceutical agent in the future, especially for preventing or treating chronic diseases related to oxidative stress, such as cardiovascular diseases and neurodegenerative disorders. Additionally, it serves as a reference standard in the analysis of lignans in herbal plants to ensure quality control and investigate natural sources of bioactive compounds.