Assertion: vitamin d vitamin d | /r/HasProperty | precursor
Facets:
value: to the hormone calcitriol
type: OTHER
Source sentences:
text: 5 Facts About Vitamin D 1 Vitamin D is not technically a vitamin, it is a precursor to the hormone calcitriol 2 Vitamin D is important for bone health and other body functions 3 Over 75% of Americans are Vitamin D deficient 4 Mushrooms are one of the few natural plant-based sources of vitamin D 5 Sunshine is the major source of vitamin D for most humans on the planet