To take a cheap medicine or treatment "to see if it works..."  is to gamble with your body and your health, not only with your money.

If you decide to climb a mountain, would you buy the cheapest and thinnest ropes and hooks offered by a website run from a P.O. Box or a mail forwarding address, knowing that the cheap can cost you dearly? Or would you buy solid and quality built equipment from a recognized and specialized manufacturer offering certified quality and proven results? Your life certainly values the difference in cost. Your body too!