Research has shown artemisinin to be particularly beneficial in balancing the microbiology of the GI tract.
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.