Which form of supplemental iron below is least absorbed by the body?
A)Ferrous fumarate
B)Ferrous sulfate
C)Ferrous gluconate
D)Ferric sulfate

Question

Quizplus · Accepted Answer

Ferric sulfate is less efficiently absorbed by the body compared to ferrous forms (ferrous fumarate, ferrous sulfate, ferrous gluconate) because the ferric (Fe3+) form must be reduced to the ferrous (Fe2+) form in the gut before it can be absorbed.

Which Form of Supplemental Iron Below Is Least Absorbed by the Body