The main efficacy of Xian Le Xiong Capsule is to warm the kidney to replenish qi, benefit essence and help yang. Xian Le Xiong Capsule is a proprietary Chinese medicine composed of ginseng, antler velvet, bullwhip, dogwhip, epimedium, and ripened rhizoma, which has the efficacy of warming the kidney, tonifying qi, benefiting essence and helping the yang. It is mainly used for the symptoms of dizziness and ringing in the ears, lumbar and knee soreness and limpness (a feeling of soreness and weakness of the lumbar and knee areas), palpitations and forgetfulness, and impotence and inactivity, which are caused by insufficiency of renal yang (lack of yang in the kidneys), deficiency of essence, and so on. Adverse effects of this product are not known at present. Note that those who are allergic to the constituents of this product are prohibited from using it, and those with allergies should take it with caution. Avoid spicy, cold and greasy food, rest and do not exert yourself. If you need to use this product, you should be under the guidance of a physician to identify the evidence, do not unauthorized use of drugs, so as not to cause adverse reactions.