ferrous sulfate how many elemental iron
Ferrous sulfate vs elemental iron from dried ferrous sulfate? Ferrous sulfate has 65mg elemental iron per 325 mg, dried ferrous sulfate has 50mg elemental iron per 160mg. The RDA percentage listed on the bottles 47.5mg ferrous sulfate is 264%, while 50mg of elemental iron from 160mg dried is listed as being 277% of RDA. This cannot possibly be correct.