Just one tablet of Tadagra-20 will allow you to forget about men’s problems for a couple of days! This is a generic drug Cialis Cialis. They use the same active substance – Tadalafil.One of the most effective drugs that affect the erection is Tadagra-20. This drug has a significant effect on the level of testosterone, which has a positive effect on endurance in sexual intercourse. The fundamental positive feature of Tadagra is its ability to increase the level of nitric oxide in the body. This process is accompanied by the maximum relaxation of the blood vessels of the penis, and as a result – increased blood flow to the penis, as well as an excellent, long and stable erection,Among the products of analogues, this drug has the longest period of impact and effectiveness, namely – 36 hours after admission.