437
people found this helpful, as of 2023
ranked #45,640 most helpful
out of 571,544,897 reviews
★☆☆☆☆
probably just air not pure oxygen
Doesn't seem to have a high concentration of oxygen in the air. You can test it yourself by blowing it on a candle. pure oxygen wouldn't put the flame out.
the product in question
Boost Oxygen Medium Menthol-Eucalyptus 5 Liter Canister | All-Natural Respiratory Support for Aerobic Recovery, Altitude, Performance and Health (4 Pack)
4.2★ · 286 ratings, as of 2023