Common Mild Side Effects
- Nausea, stomach upset, diarrhea, or constipation
- Headache or mild fatigue
Who Must Use Caution
- Shellfish allergy sufferers (most glucosamine is shellfish-derived)
- People with liver or kidney disorders
- Individuals taking blood thinners or diabetes medications
- Pregnant or breastfeeding women (consult a doctor first)
If discomfort persists, stop use and seek medical advice.