Susu formula vs susu ibu

Macam mana nk wt klu ank xnk minum susu formula.susu bdn saya da xde.nk xnk kne cmpur fm gk.bg similac dia xnk minum.mgamuk ngamuk.ank bru 2 bln lebih..ibu2 ade tips x susu formula ape yg sama rase ngn susu ibu