Ironically, you've picked an example (Artemisinin) which is discussed at some length in the linked article - as an example where TCM success is overstated and not backed up by real-world results!
See P5-6 in section "The implausibility problem" - which points out that in order for the treatment to be effective it had to be refined into a form that is not rapidly eliminated from the body.
See P5-6 in section "The implausibility problem" - which points out that in order for the treatment to be effective it had to be refined into a form that is not rapidly eliminated from the body.