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 “Help Is Here” for athletes, senior citizens, students and those at higher altitudes for safe, all-natural energy without stimulants or sugar.