Lastly, use mustard?
Athletes turned off by the latest biotech breakthroughs can try this recipe: Strip down and rub mustard oil all over your body.
While exploring the role skin plays in the production of red blood cells, Randy Johnson's team of researchers at UC San Diego found that rubbing mustard oil on mice caused spikes in natural EPO production, and that led to increased red blood cell levels.
It's unclear how much mustard oil a human athlete would need to enhance performance, or how much mustard oil could lead to strokes and heart attacks.
With all the crazy, complicated doping schemes out there could the journey to the top of the podium simply require a trip to the grocery store?