There is no such thing as how to take chasteberry for best results. Chasteberry is usually decocted and has the effect of nourishing the liver and kidney, brightening the eyes and darkening the hair, and can cure liver and kidney yin deficiency (deficiency of yin in the liver and kidney), lumbar and knee soreness and weakness (a feeling of soreness and weakness in the lumbar and knee) and other conditions. Chasteberry has a sweet, bitter flavor, cool nature, and belongs to the liver and kidney meridians, belonging to a kind of traditional Chinese medicine, there is no such thing as how to take chasteberry for the best effect. Clinical on the use of this drug is decoction, due to each person’s condition is different, the specific dose of the drug is different from person to person, can not be generalized. Chasteberry can play a nourishing liver and kidney, eyesight and hair, in the clinic can be used for the treatment of liver and kidney yin deficiency, lumbar and knee soreness and weakness, dizziness and tinnitus, hair early white, internal heat and thirst (body heat with more food and drink more urine and other symptoms), dark eyes and other diseases. Chasteberry is cold in nature and should not be taken in large quantities for a long period of time for symptoms such as external wind-cold, internal cold injuries, spleen and stomach deficiency (spleen and stomach weakness and cold), or kidney yang deficiency (deficiency of yang qi in the kidneys). Its adverse effects are not clear. When patients are not feeling well, they need to go to the hospital and use Chasteberry under the guidance of a doctor, and should not use the medicine on their own.