Fast Acting Viagra® Softabs, is a revolutionary treatment for men suffering from erectile dysfunction.Generic Softabs contain exactly the same chemical compound as the regular pill. However, instead of being swallowed and digested, the mint flavored tabs are absorbed directly into the bloodstream by placement under the tongue. The effect of Generic Softabs is noticable after 15-20 minutes. The brand name pill normally takes over an hour for the user to feel any effects of the drug.