After just two weeks, the results were astounding. EPO levels in the athletes soared by 84 per cent (EPO is the key chemical which stimulates increased red-blood-cell production in the bone marrow), and 2.3-DPG the compound which makes oxygen more available to the muscles vaulted upward by 15 per cent. After just three to four weeks, red blood cell volume rose by 7 percent. Best of all, many of the athletes experienced dramatic improvements in performance." - results with 7 Finnish endurance athletes following a 2 week stay in a "high altitude house" simulating 8,200 feet.
- Peak Performance Online