So let's kick this one fast.
It is a gimmick.
The whole premise of training with different gas conditions has to do with the uptake of oxygen.
Does it influence the health of the average person that lives in the city?
No, it doesn't.
High altitude training and hot yoga are together on the same marketing basket.
If you want to train, do it outdoors close to your home!
For more tips, read my books and exercise videos available on this website.
Is that another marketing gimmick, or is that the real deal?