Positives

• An ME/CFS patient reported great bursts of energy for about a week after starting rhodiola rosea, describing noticeable improvement in stamina and motivation before the effects began to taper off Phoenix Rising.
  
  

Negatives

• One ME/CFS patient reported becoming much worse after trying rhodiola, with increased fatigue and malaise; others in the discussion described developing tolerance after the initial energy boost, followed by a crash when the stimulatory effect wore off Phoenix Rising.
  
  

Hurdles & Side Effects

• Patients buying random Rhodiola rosea brands commonly end up with low-active-marker products: testing of commercial extracts found high inter-clonal variation in salidroside (~93%) and tyrosol (~88%) PMC.
• Roughly one in five commercial products labeled R. rosea did not actually contain rosavin and some lacked salidroside entirely — adulteration is common enough that ConsumerLab-tested or third-party-verified brands matter PubMed.