Positives

• Patients reading the Hopkins findings on cinnamon bark oil's eradication of stationary-phase Borrelia have adopted low-dose enteric protocols and reported reduced relapse frequency PMC.
  
  
• A patient using cinnamon bark essential oil capsules during persister-phase Lyme treatment reported less fatigue and joint pain than with antibiotics alone LymeDisease.org.
  
  

Negatives

• Patients report severe mucous-membrane burning and reflux when undiluted cinnamon bark oil is taken orally, even at the 0.1% concentrations cited in the Hopkins study LymeDisease.org.
  
  

Hurdles & Side Effects

• Patients note that the in-vitro cinnamaldehyde concentrations shown to kill Borrelia have never been validated as safe at equivalent blood levels in humans PMC.