If you're focusing on nootropics specifically, I don't actually have enough background information about Metamed or nootropics to answer with any degree of confidence.

Their website at https://www.metamed.com/ does allow for a variety of easy contact methods: Any information you got directly from them about the benefits and prices of their service would probably be more accurate than a summary you got from me.

But here is some further discussion about it as well:

http://www.overcomingbias.com/2013/03/rah-second-opinions.html

http://marginalrevolution.com/marginalrevolution/2013/03/sarah-constantin-replies-on-metamed.html