HELP!!!!! getting pregnant


Me and my fiancé have been trying to get pregnant for 4 years now we have a daughter she is 5 me and my fiancé have been together going on 7 years we want another baby and we have tried a couple of things and still nothing Pre-Seed did not help me.. I’m wanting to buy some fertility pills online but don’t know witch ones are best and would help so Girls I need you’re opinion on witch supplement to get that will help me get pregnant I spent $30 something on the Pre-Seed and it didn’t work I also tried some shack mix that’s suppose to help get pregnant from Walgreens and still nothing