Natural and safe to use, this pack of 3, 5, and 10-Liter Peppermint Flavored Supplemental Oxygen Bottles with Mouthpieces from Boost Oxygen provide extra oxygen wherever you need it. Boost Oxygen provides pure, natural respiratory support that is effective to use. Unlike caffeine, sugar, and other stimulants that can harm the body with extended use, Boost canned oxygen offers supplemental oxygen in a non-prescription form to help every cell in your body. The varying size of the cans let you decide which size is appropriate for each of your activities. These canisters are great for use on the go and day trips to areas with a high altitude. This breathing oxygen is all-natural and is ideal for athletes, older folks, or even to help combat jet lag. Supplemental oxygen can even help workout recovery as a natural way to get you back to feeling your best. Increase energy and feel better on the go with these 3, 5, and 10-Liter Peppermint Flavored Supplemental Oxygen Bottles with Mouthpieces from Boost Oxygen.