Boost Oxygen® is an all-natural respiratory support product for aerobic recovery and performance. Simple and safe to use, the Portable Oxygen Canister provides supplemental oxygen wherever you need it. It is pure and concentrated supplemental oxygen which is nearly 5 times the amount of oxygen we breathe in normal air, which is only 21% at sea level. Supplemental oxygen has always benefited so many people for so many different reasons. From altitude acclimation to athletes to anyone experiencing shortness of breath. Since 2007, Boost Oxygen® has made portable supplemental oxygen available to everyone without a prescription. Boost Oxygen® comes in a convenient, easy-to-use, and portable canister with no chemicals, propellants, or side effects. It is an excellent choice for athletes, older adults, people at high altitudes, and people who live in areas with poor air quality. People with trouble catching their breath love the accessibility as well. It can help you feel energized and refreshed with just a few breaths. Feel better, recover faster, and improve performance with Boost Oxygen®.