How much elemental iron is in 90 mg of ferrous fumarate?

Answer:
Thirty three percent of a ferrous fumarate is retained in the form of elemental iron, so for a 90 mg dose, we'd take 33% of 90mg which equals 29.7mg of elemental iron.
First answer by ID3639100374. Last edit by ID3639100374. Question popularity: 2 [recommend question].