Marketed under the brand name Cialis, Tadalafil is a drug that is used to treat erectile dysfunction. This pill has become a popular alternative to the best known ED solution, Viagra.

In the United States, Cialis is more affordable than Viagra, but both pills require valid prescriptions from doctors. This had led many U.S.A citizens to buy Cialis pills through Canadian pharmacies, 시알리스 사이트 which can legally sell this drug without prescriptions. However, it is important to check the legitimacy of the pharmacies, which mostly operate online.