Assertion: collagen's effect | /r/HasProperty | side
Facets:
Source sentences:
text: But what is collagen and what are its side effects?
text: For example, type II collagen reported side effects include stomach problems, head ache, dizziness, sleep disturbances and hepatic (liver) dysfunction.
text: For example, type II collagen reported side effects include stomach problems, headache, dizziness, sleep disturbances and hepatic (liver) dysfunction.