AltoLab USA offers the #1 portable high altitude simulator for hypoxic training. Trusted by athletes across Arizona,USA and across the world. Boost VO2 max & endurance — order now PharmaPacific led by Andrew Backhaus, PhD began in 2004 as the international distributor of AltoLab - the first patented simulated altitude training system that was both portable and low cost. Located in Tempe, Arizona, AltoLab USA began in 2005 as a way to educate, develop and market the AltoLab technology in North America.