Johannesburg has an altitude of 1753 meters or 6000 feet, https://en.wikipedia.org/wiki/Johannesburg . Professional athletes need at least a week to acclimatise to this altitude before competing and is something that is considered by all coaches irrespective of the sport. This shows the seriousness that altitude has on athletic performance. Read more
Now there’s NO excuse for being out of breath. With premium concentrated oxygen available in portable, light weight canisters, being out of breath should never slow you down.
With age, comes the inefficiencies in the body’s ability to produce energy for day to day activities, such as climbing a flight of stairs, walking through a mall or even exercise. Portable oxygen canisters now offer a solution to get through such challenges. By eliminating the feeling of being out of breath, you can get on with living life. Read more