Safety & FAQ

Is KUN safe?

KUN is recreational supplemental oxygen, used by athletes and travelers worldwide. Use it as directed: short sessions of a few breaths. It is not for continuous use.

Is this medical oxygen?

No. KUN is not a medical device and makes no medical claims. It is not a substitute for prescribed oxygen therapy.

How many breaths per can?

Around 200 breaths per 5L can; more in the 10L and 15L formats.

When do people use it?

Training, altitude, travel, long drives, late nights, recovery days.

Who shouldn't use it?

If you're pregnant, have a respiratory or heart condition, or any medical concern — ask your doctor first. Not for children.

Storage

Cool, dry place. Don't leave cans in a hot car or near open flame. Pressurized container.

Shipping

Pressurized cans have carrier and destination restrictions — see our Shipping page for the current country list.