Danggui is often called the ''Queen of Herbs'' as compared to ''King of Herbs'' for ginseng. The main ingredient in our Yi Shou Jiu is Danggui. Danggui in Chinese also mean ''Proper Order'' since it has the ability to regulate bodily functions. In the early 14th to 15th centuries, the Europeans also named it ''Angelica'' in honour of the angel who appeared in the dream of a monk who told him about the curative power of the herb. The herb was used to combat the Bubonic plague or ''Black Death'' in Europe. Since then, the prescription was well documented by the College of Physicians in 1665. In America, Danggui was popularly used by Native Americans for the treatment of various diseases. Danggui contains vitamins A, B12, E and essential oils such as phellandrens, alpha pirene, limonene, osthol, angelicin, mubelliferone, bergapten and psolene. The combination of all the active ingredients contained in Danggui allows it to combat various common ailments, such as bronchitis, colds, asthma, flu, digestive discomfort related to colic, cramps, indigestion, diarrhea, dysentery and typhoid. It is highly effective for the relaxation of muscles and has a tranquilizing effect on the central nervous system. Danggui is well-known for its blood rejuvenation, circulation and regulation of menopausal symptoms. It is also effective in improving the human immune system. When combined with other herbs, it reduces frequent urination at night and the relieves allergies, minor joint pain and sleeplessness.