Chasteberry and Cistanche combined have the effects of nourishing the liver and tonifying the kidney, benefiting the essence and nourishing the blood (tonifying the kidney essence to nourish the blood). However, the efficacy of the tea substitute is limited and it cannot replace medication in treating diseases. If you need to use it, please use it after the diagnosis by a Chinese medicine practitioner. Moreover, the effect of herbal tea substitute is not as effective as decoction, so please use it according to your own situation. 1. Chasteberry is a yin tonic, with nourishing the liver and kidney, clearing heat and brightening the efficacy of this product, the main treatment of lumbar and knee pain, hair and beard white, yin deficiency and low heat, self-consciousness, internal heat, night sweating, spermatorrhea, dizziness, vision, forgetfulness, tinnitus, and so on. It is contraindicated for people with diarrhea and yang deficiency (pale face, fear of cold, warm hands and feet, mental fatigue, swelling, etc.). 2. Cistanchis is a yang tonic with the effects of tonifying kidney yang, benefiting essence and blood, moistening the intestines and relaxing the bowels. It is used for treating impotence and premature ejaculation due to deficiency of kidney yang and essence and blood, infertility due to uterine cold, soreness of waist and knees due to insufficiency of liver and kidney, impotence and weakness, constipation due to dryness of intestines and fluids. It is not suitable for those who suffer from yin deficiency and fire exuberance (symptoms such as dizziness, tinnitus, irritability, etc.), thin stools and constipation with solid heat in the stomach and intestines (symptoms such as body heat, red face, short and yellowish urine, etc.). The above two medicines are tonic medicines and are not recommended to be taken by those who do not have any disease; if necessary, please take them under the guidance of a physician. If you feel unwell, please consult a doctor in time, do not take medication without authorization, so as not to delay the condition.