Onjisaponin Z is primarily studied for its potential anti-inflammatory and immunomodulatory effects. It has shown activity in suppressing pro-inflammatory cytokines, making it a candidate for research in autoimmune and inflammatory diseases. It may also influence signaling pathways related to cell survival and apoptosis, suggesting possible applications in cancer-related studies. Additionally, Onjisaponin Z has been investigated for its role in enhancing the permeability of biological membranes, which could be useful in improving the absorption of other therapeutic agents. Most of the current applications remain in the preclinical research stage, mainly in pharmacological studies exploring natural compounds for drug development.