Pre preg pills help

Hi,

I have been trying with my husband to have a baby for 4 years.,finally I bought something to hopefully help me! Has anyone ever taking pre preg capsules? They have pretty decent reviews etc... if any one has taken the pills or similar ones , when do you take them how do you start everything?. I am so new at this and confused I want to do the right thing to give my husband and I a beautiful baby byndle of joy we have always worked so hard for :/ ♡♡♡♡