Assertion: glucosamine's effect | /r/HasProperty | headache
Facets:
Source sentences:
text: Adverse effects may include stomach upset, constipation, diarrhea, headache, and rash.
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.
text: Reported side effects from these studies included mild gastrointestinal issues, fatigue, and headache, although they did not appear to differ from placebo.