Artemisinin 100mg 300vc provides hundreds of times more of the active constituent artemisinin than the whole herb itself. Pure artemisinin or Qinghaosu, the active constituent of the herb Artemisia annua (sweet wormwood).

Good quality Artemisia annua contains 0.3-0.5% artemisinin, so pure artemisinin provides hundreds of times more of the active constituent artemisinin than the whole herb itself. Allergy Research Group® introduced artemisinin to the U.S. market more than a decade ago. Allergy Research Group does independent potency assays on every batch (using HPLC), and independent tests verify its effectiveness.

Allergy Research Group artemisinin is minimum 98.5% pure, and does not contain thujone. For more information about quality of artemisinin, see High Quality Artemisinin.

Combining with antioxidants or iron may theoretically decrease effectiveness. Detoxification reactions may be experienced by some individuals. In rare cases may cause idiosyncratic liver dysfunction.