Assertion: iron's form | /r/HasProperty | heme
Facets:
Source sentences:
text: Dietary iron has two main forms: heme and nonheme .
text: Iron from food comes in two forms: heme and non-heme.
text: In foods, iron is present in two forms: heme and non-heme.
text: Iron can be found in two forms in foods — heme and non-heme.