Assertion: donor | /r/CapableOf | maintain their iron levels
Facets:
value: by taking an iron supplement
type: MANNER
Source sentences:
text: Some donors, such as young and frequent donors, may help increase or maintain their iron levels by taking an iron supplement with 18-38 mg of elemental iron or a multivitamin with 18 mg of iron for at least 60 days after donating whole blood or 120 days after a power red donation.