As a medicine, there is no maximum period of time to take the capsule, the right treatment can receive good results. It is recommended to take this medicine under the guidance of a doctor. The efficacy of Kidney and Brain Nourishing Capsules is to nourish the kidney and vital essence, benefit qi and nourish blood (replenish qi and blood in the body). It is composed of Cinnabar, Fructus Schisandrae, Schisandra chinensis, Poria, Chinese yam, etc. It is used for palpitation, shortness of breath, insomnia, forgetfulness, spermatorrhea, night sweating, lumbar and leg soreness, tinnitus and deafness due to deficiency of the kidney and essence, and deficiency of both qi and blood. It should be noted that children, lactating women and pregnant women are prohibited; patients with cold and fever are prohibited; patients with liver and renal insufficiency are prohibited; patients who are allergic to this drug are prohibited from using it, and patients with allergies should be cautious in using it.