Protopanaxdiol is a key active compound derived from ginseng, playing a significant role in medicine and health. It exhibits immune-boosting effects, reduces inflammation, and possesses antioxidant properties, contributing to anti-aging benefits and prevention of certain chronic diseases.

Additionally, research indicates it can balance the nervous system, reduce stress, improve sleep quality, and support brain health, potentially preventing or slowing neurodegenerative conditions such as Alzheimer's disease.

In traditional Thai and alternative medicine, protopanaxdiol is commonly used to boost energy, aid recovery after illness, and enhance physical performance, particularly in older adults.

Some studies suggest it may inhibit cancer cell growth at the cellular level by inducing apoptosis in abnormal cells and suppressing angiogenesis that feeds tumors, though these findings are still under investigation.

Overall, protopanaxdiol is a promising natural compound with applications in dietary supplements, cosmetics, and specialized medical treatments.