eucommia ulmoides + glycyrrhiza uralensis

*Eucommia ulmoides + Glycyrrhiza uralensis* is a traditional Chinese medicine (TCM) herbal combination, commonly known as the EG couplet medicine. It is primarily studied for its **chondroprotective effects** and potential benefits in treating **knee osteoarthritis (KOA)**. Mechanistically, EG has been shown in preclinical models to protect articular cartilage by promoting extracellular matrix synthesis (elevating Col2 and Aggrecan), reducing matrix degradation (inhibiting MMP13 and Adamts5), and modulating inflammation. Network pharmacology and experimental data suggest the principal mechanism involves **upregulating peroxisome proliferator-activated receptor gamma (PPARG)**. *Eucommia ulmoides* is traditionally used to "strengthen muscles and bones," while *Glycyrrhiza uralensis* (licorice root) has recognized anti-inflammatory effects. The combination exhibits synergistic properties, possibly through interactions that prolong the release and activity of herbal constituents. Both herbs are also associated with cardiovascular and anti-bleeding profiles when used with anticoagulant therapy, but their main investigated TCM use remains in musculoskeletal and inflammatory conditions[1][3][2].

Other names

EGE.G. couplet medicine