Artemisinin produces an oxidizing effect in the stomach and intestines. Long-term administration (greater than 1 month) should be monitored by a health care practitioner and include liver enzymes and hemoglobin testing. Combining with antioxidants or iron may theoretically decrease effectiveness. Detoxification reactions may be experienced by some individuals.
Variations in product color may occur. Keep in a cool, dry place, tightly capped.