Artemisinin 100mg 90 caps from NutriCologyArtemisinin 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. Research has shown artemisinin to be particularly beneficial in balancing the microbiology of the GI tract. NutriCology introduced artemisinin to the U. S. market