The unprocessed root is used to relax the bowels and detoxify the blood. The processed root is used to strengthen the blood, invigorate the liver and kidneys, and supplement vital energy. Processed fo-ti is one of the more widely used tonics in traditional Chinese medicine (TCM), which employs it to enhance longevity, increase vigor, and promote fertility. It is also an ingredient in TCM formulas for premature gray hair, low back pain, angina pectoris, low energy, and other conditions. Used for restoring hair growth. It is also believed to rejuvenate the body, prevent premature ageing and counteract fatigue and exhaustion. The herb is also considered a key tonic for the elderly, alleviating pain in the knees, replenishing semen/sperm in men, countering impotence, erectile dysfunction and darkening gray hair in both sexes; in other words, all the problems associated with ageing.