The New York Times has an article about two supposed “excercise” pills now in development.
From the article:

For all who have wondered if they could enjoy the benefits of exercise without the pain of exertion, the answer may one day be yes — just take a pill that tricks the muscles into thinking they have been working out furiously.

Researchers at the Salk Institute in San Diego reported that they had found two drugs that did wonders for the athletic endurance of couch potato mice. One drug, known as Aicar, increased the mice’s endurance on a treadmill by 44 percent after just four weeks of treatment.

A second drug, GW1516, supercharged the mice to a 75 percent increase in endurance but had to be combined with exercise to have any effect.

I knew this day would come sooner or later. All those fools who’ve spent their lives running and lifting weights are going to lament their choices and realize that they could’ve been drinking beer and eating sausage all along.

Read the whole article here (may require free registration).