I agree with Sky, that is how I approach these things too.
Later edit: Yikes, I just looked at their web site and the whole thing is full of red flags to me. Especially the "click here to qualify for treatment funds" on every page. IMHO this is a rip off, the folks behind this might honestly believe in it, hard to say.
http://www.mayoclinic.com/health/alt...dicine/SA00078
This can have some helpful ideas on evaluating health treatments.