Hi Abhi. Welcome to Pherotalk. 
Your friend guided you to the right place!
Yes, it is true that many phero sellers are laden with false/overstated claims and some do go as far as selling fake products. Androtics is not one of those firms and as well as AD, you will soon find out about the reliable and honest competitors and products in discussion here.
As for starting out, can you give us just a little more info about yourself and and your situation - this thread explains what:
https://pheromonetalk.com/t/how-do-i-qualify-for-a-25-gift-certificate/19934
That way we can offer better advice and you earn the $25 GC.
Also, do have a good read of this thread - it contains all the basic info you need on choosing and using pheros effectively: