Assertion: magnesium's form | /r/HasProperty | studied
Facets:
value: widely
type: DEGREE
Source sentences:
text: This form of magnesium has been widely studied and is recommended for migraine prevention by several organizations, including the American Headache Society (25, 35).
text: Of all the forms of magnesium that have been studied, magnesium oxide consistently shows the lowest bioavailability at 4-5% (34, 45).