Assertion: glucosamine's effect | /r/HasProperty | drowsiness
Facets:
Source sentences:
text: Side effects can include nausea, heartburn, diarrhea, constipation, drowsiness, skin reactions, headache or a worsening of asthma.
text: Of the reported side effects, the most common was mild gastrointestinal discomfort, and temporary effects included drowsiness, skin reactions, and headache.