Viagra also allows 69.

I take tadalafil as a vasodilator - without it my muscles cramp painfully after long (50+mile) bike rides. Tried all the natural remedies, and found a reference to the Italian cycling team using it (under its European name - Adcirca) to increase blood flow in their muscles (particularly their lungs).

My Dr prescribed for me.

Besides the benefits for endurance cardio, the only side effect is that I really want to pull up to a cliff top at sunset and soak in a bathtub.  

For ED/sexual performance improvement? No comment. I wasnt having a problem in that area before. I'm sure its making a difference, but I couldn't tell you if it was or not.

It's vasodilators. They allow for more bloodlfow, which is generally good for you, and I'd imagine even better at old age where many have high blood pressure and so forth.

 
I mean, scientists stumbled upon sils secondary effect when they were trying to develop a medication for heart. The blue pill has already been proven to be good for your heart.

it's always wise to consider the sources cited. In this case it's the Cleveland Clinic, one of our finest medical institutions.

How about:

The pill you'll be able to remember to take!