Is it okay that i take 18mg of iron because my multivitamin contains iron, which vitamin a-z are all 100% rda approved that says on the label.

Best get iron-free: The RDA for iron for men is only 8 mg and most obtain that from diet.It's safe to consume more than the RDA of virtually all vits & minerals EXCEPT iron. As a pro-oxidant excess iron increases risk of heart-disease and cancer. Men who lower their iron stores by donating blood at least once a year have a dramatic 88% lower risk of heart attacks! Take an iron-free multi. See multivitaminguide.org