Vitex chasteberry and fertility blend...

Desiree • Trying for my rainbow baby... i lost in june.mommie of a 3yr old & of an angel ♡♡
My fiance and i both have a child from previous relationships. We want one of our own so i bought vitex and been taking it for about a wk now. Also fertility blend i give it to my man also heard it help there sperm count.... well my question is how long does it take to get preggo? Has anyone had success? And how long did it take y'all? ?