I've missed more than 9,000 shots in my career. I've lost almost 300 games. Twenty-six times I've be trusted to take the game-winning shot and missed. I've failed over and over and over again in my life. And that is why I succeed.
Canadian mail order houses seem to suggest prices a tenth that range. Can't vouch for one or the other as I have no experience at buying them. However, the latest is that Viagra might be useful to treat lymphatic malformations in children. Who knows what else will be next.