I had many of the same symptoms you describe. I fainted a few times, and felt horrible going up hills or stairs, to the point I wouldn't even try. Now, I am so much better. Not perfect, but it has made a huge difference. I don't feel like I am going to faint anymore, which is huge, and the SOB is much better. I still take alot of medication, so it is not a miracle cure, but it certainly went a long way to making me feel alot better.