"Normal EPO levels are 4-16.  This time my EPO was 19, nearly double!!  With my Retic count at 40, up from 25, a 60% increase, I guess it is pretty clear how much the altitude tent is helping me. I passed another milestone on Sunday: 28mph for a 30k TT.  Thank you for everything!"

- Dr. Elmer Colyer, Master National TT Champion