What is c20 tablet?

Here are some ... Most likely, c20 is just a code for Cilalis (tadalafil), which is one of PDE-5 inhibitors for helping improve ED. More? To <a href="https://search.yahoo.com/search?ei=utf-8&fr=ytff1-&p=c20%20pill&type=" rel="nofollow" target="_blank">https://search.yahoo.com/search?ei=utf-8&fr=ytff1-&p=c20%20pill&type=</a>. .