And I don't say that lightly. After turning 65 my lungs became so unhealthy that I couldn't even walk to my car. Breathing was so hard. I had to stop about every 10 steps to rest. Every decision I made--where to go, what to do, was dependent on how far I had to walk, I used to count the steps it would take to go to the house--and believe me, it wasn't a fast walk, it was more of a shuffle. I spent a lot of time watching TV and on my computer. I ended up reading some of the reviews for CircO2 online. I thought it sounded too good to be true, but why not try it? OMG the difference is phenomenal!!! The difference is so noticeable, not only am I able to move like a normal person, I cannot believe how far down I had gone. Everyone notices me coming back to life. This supplement is absolutely astounding--it definitely gave me a new lease on life I'd recommend it to everyone!