SEOUL, July 06 (AJP) - Mice with weakened bones got stronger after being fed particles extracted from red ginseng, according to a new study out of Sookmyung Women's University. The finding is early, but it gives South Korean researchers a concrete lead on turning the country's best-known health root into an actual osteoporosis drug.
The particles are called red ginseng-derived nanovesicles, or RGNVs. Think of them as microscopic delivery pouches, roughly 200 nanometers wide, wrapped in a fatty double membrane and stuffed with ginsenosides, the active compounds that give ginseng its reputation. There are functional proteins in there too. The researchers checked the particles under an electron microscope and ran nanoparticle tracking to confirm what they had.
Bone health comes down to a constant tug-of-war. Osteoblasts lay down new bone. Osteoclasts break down old bones. When a person loses estrogen, as happens at menopause, the osteoclasts start winning, and bone density drops. That is osteoporosis. In lab tests, the ginseng nanovesicles tipped the fight the other way, pushing osteoblasts to build while dialing back osteoclast activity.
To see if that held up in a living animal, the team removed the ovaries of mice to replicate postmenopausal bone loss, then fed some of them RGNVs. Those mice lost less bone overall. Their thigh bones came back denser, the spongy internal bone structure looked healthier under the microscope, and blood tests showed lower levels of the markers that signal active bone breakdown.
Professors Mun Se-hwan and Yang Young at Sookmyung Women's University's Department of Biological Sciences led the work. Cho Young-eun of Gyeongkuk National University (GKNU) also contributed. The paper ran in June 2026 in the Asian Journal of Pharmaceutical Sciences, a journal with an impact factor of 12.6.
Ginseng has been used in Korean medicine for centuries, mostly on faith and tradition. What this study adds is a mechanism, a specific set of nanoscale particles doing a specific job in bone cells, the kind of detail a drug developer could actually work with.
Mun said: "Through joint research that included bone microstructure analysis and histological evaluation in an osteoporosis animal model, we confirmed the actual bone-protective effect of RGNVs. We expect this study to become a foundation for developing natural-product-based nanobio materials for the prevention and treatment of bone diseases."
(Reference Information)
Journal/Source: Asian Journal of Pharmaceutical Sciences (IF 12.6, JCR top 1.9%)
Title: Red ginseng-derived nanovesicles to modulate osteoblast and osteoclastogenesis for osteoporosis therapy
Link/DOI: https://doi.org/10.1016/j.ajps.2026.101168
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