Boost Oxygen is 95% pure supplemental Oxygen To go, no prescription needed When you want all-natural respiratory support, Boost Oxygen is the #1 best-selling, most trusted brand The health benefits of oxygen are undeniable Boost Oxygen has made these benefits readily available in a convenient, lightweight, portable oxygen canister that is 100% recyclable Oxygen fuels cellular functions that provide energy to your body and brain However, the air we breathe only contains around 21% oxygen, with the majority being 78% nitrogen Boost Oxygen provides 95% pure Oxygen To go With Boost Oxygen AHelp Is HereA for athletes, senior citizens, students and those at higher altitudes for safe, all-natural energy without stimulants or sugar