Gui Pi Wan - Angelicae Longona Extract Gui Pi Wan or is a Chinese Herbal Medicine formula that's been used for hundreds of years because of its effectiveness. It can be used by both men and women, and can replenish blood energy to nourish heart, and tonify Qi to invigorate the spleen. The formula is useful for signs of blood deficiency including: \tWeakness \tWeight Gain \tDepression \tInsomnia \tFatigue with night sweats \tPalpitations \tPoor memory \tWeak digestion \tIrregular menstruation (with many of the above symptoms). \tInfertility Gui Pi Wan can be used as a tonic for women who feel weak between periods. It is also useful for men or women who feel anxious, restless, insomniac or who suffer from jet lag or stress. Chinese herbs work differently from Western drugs, they help clear the root of the problem. Often these herbs work better if taken for some time, depending on the severity and length of symptoms.