Ofcourse they hate it when you self medicate, your doing their job for them. Usually though it's people that don't put the time and energy really researching and just starting taking things. Here for example we have other user's quantifying their journey and what they are taking and you can literally print out some of the material and take it in. There is a comparison available on this page: http://trackmystack.com/supplements/21-Alpha-GPC
look at the "vs" table. Secondly, you can just create a stack and take in everything you think is right. I found other's taking this supplement for "cognitive enhancement":