Can certain medications deplete the body of important nutrients (such as iron, magnesium, zinc) and then induce hair loss because of that depletion?

Hair loss Mg, Fe,Zn. 43 F from NY asks:Can certain medications deplete the body of important nutrients (such as iron, magnesium, zinc) and then induce hair loss because of that depletion? ANS: not very likely. Your own Dr can best answer this complex question (cause of hair loss).