There is no such thing as which brand has the best effect, and there is not much difference in the effect of different brands of lock yang solid essence pills. 1. lock yang solid essence pill is a proprietary Chinese medicine. It is composed of lock yang, eucommia, fructus, lotus beard and so on. It has the effect of warming the kidney and fixing the essence. It is used for waist and knee impotence, dizziness and spermatorrhea caused by kidney and yang deficiency. The composition, efficacy and effect of different brands of lock yang essence pill are the same, as long as it is the State Pharmaceutical License Number of the drug, its effect is not much difference. 2. The adverse reactions to Lock Yang Solid Essence Pills are not clear. Allergy to this product is prohibited, allergy with caution. During the period of taking the medicine should pay attention to, avoid indigestible food, abstinence from sexual intercourse, cold and fever can not be taken. If the symptoms do not improve after 4 weeks of medication, it is necessary to go to the hospital. If there is a need for medication, it should be used under the guidance of a doctor, and should not be used blindly, so as not to cause adverse consequences.