Assertion: vitamin's effect | /r/HasProperty | unclear
Facets:
Source sentences:
text: Available evidence suggests vitamin D supplementation, irrespective of the form and dose used, provides no apparent benefit for people with MS for measures such as relapse, worsening of disability or MRI lesions, while effects on health‐related quality of life and fatigue are unclear.
text: However, the effects of supplemental folic acid on cancer risk are unclear, especially among individuals with a history of colorectal adenomas or other forms of cancer.