Those who are 15 years old are within the indications of Tranquilizer Brain Tonic and can take it under the supervision of a physician. Tranquilizing Spirit and Tonic Brain Liquid, consists of antler velvet, Epimedium, Prepared Polygonum multiflorum, dried ginger, jujube, licorice, vitamin B₁. It has the effect of generating essence and tonifying marrow, benefiting qi and nourishing blood (replenishing qi and blood in the body), and strengthening the brain and tranquilizing the mind. It is used for dizziness, fatigue, forgetfulness and insomnia caused by deficiency of kidney essence, qi and blood; neurasthenia with the above symptoms. It is not recommended for people with external fever. Children, pregnant women, lactating women, the elderly and infirm should be taken under the guidance of a physician. Chinese medicine needs to be used under the guidance of a Chinese doctor to identify the evidence, individuals should not use blindly, so as not to cause adverse consequences.