In Chinese herbal practices, ginseng is the principal Qi-tonifying herb — described in the classics as "tonifying the original qi" (大補元氣). The earliest Chinese pharmacopeia, Shennong Ben Cao Jing (~200 CE), classified it in the Upper Class (上品) — herbs considered safe for long-term, daily use. It is traditionally used to restore the five viscera, calm the spirit (安精神), and replenish vital essence after exhaustion, illness, or prolonged stress.
In Western herbal traditions, Panax ginseng is classified as an adaptogen — a botanical thought to help the body adapt to physical, mental, and environmental stress. Its primary bioactive compounds are ginsenosides (steroidal saponins, including protopanaxadiols and protopanaxatriols), studied for their roles in energy metabolism, antioxidant defense, immune modulation, and cognitive function.