Almost all ED pills on the market, including Viagra, Cialis, Levitra, and Stendra, are PDE5 inhibitors. PDE5 inhibitors help improve blood flow to the penis by focusing on an enzyme called ...

And these, quote unquote, 'sex pills' include Viagra, Levitra and Cialis…And they all seem to have equal effectiveness. There is small nuances and differences between the three. Then you're ...

Many of these pills work fairly quickly. Sildenafil (Viagra), tadalafil (Cialis) and vardenafil (Levitra) typically start ...

Keep in mind, though, that the effects for each pill vary by person and other medications you take. While Viagra and sildenafil have a life span of 4 to 6 hours, Cialis (and generic tadalafil ...

There's three medications on the market. Viagra, Cialis, and Levitra, the primary difference is duration. Cialis has a longer time that it's in your system. That's why they're marketing more of ...