In Traditional Chinese Medicine (TCM), impotence is in most cases due to the deficiency of kidney Yang of the Yin-Yang principles. Yang is the mannish and positive principle of Yin-Yang whereas Yin is the womanish and negative principle. The kidney is the innate foundation of all organs with respect to the Yin-Yang principles, Qi essence etc. You Gui Wan acts to tonify kidney Yang, replenish vital essence and enriches the blood and thus relieves impotence.
How You Gui Wan works in modern biomedical terms is still not clear. However, some researches suggest that it may increase the production of male sex hormone testosterone1 and induce the production of some cytokines like interferon-gamma molecules that are important for the immune function.2
You Gui Wan is mainly applied for:
• Impotence (erectile dysfunction). It is used for difficulty in obtaining firm erection in association with the weakness and soreness of the loins and knees, cold feeling of limbs, pale face, and lassitude.
• Male infertility due to low sperm counts. In clinical studies, 45%-83% patients restored fertility after taking You Gui Wan for 2-4 months.
• Osteoporosis. In clinical studies, You Gui Wan was reported effective in improving symptoms of osteoporosis in 96.2% cases after 6-8 months use.
The doctor recommend: 2 tablets, 2 times a day, before/after meal (half hour)