Assertion: vitamin | /r/HasProperty | need
Facets:
value: for further research regarding its effectiveness
type: PURPOSE
Source sentences:
text: While there is a need for further research regarding its effectiveness, this vitamin is also said to have a positive effect on maintaining kidney health.
text: The best way to get the vitamins that are necessary for health is by eating a well balanced diet, but sometimes it is necessary to take supplements in order to provide your body with all of the vitamins that are needed.
text: This vitamin is necessary for the central nervous system to function properly.