Ginseng

This 2022 research paper by Yang et al (thread here) found that there is not enough data of sufficient quality to warrant any conclusions:

 

I've done my own study, N=1.

Ginseng, 3 different types if memory serves, provides no non transitory benefits.

 

Be prepared for jitterness and insomnia.

 

Any use of a stimulant with ME should be treated with caution, given the risk of it taking people’s activity levels over their individual thresholds for triggering PEM and because of the possibility of sustained use encouraging sustained over exertion with consequent deterioration in the underlying condition. I would want to see long term follow up perhaps over several years before deciding whether more than occasional use for specific one off activities was safe.

 

I don't need supplements that enhance/boost stamina and endurance when I have a 'energy limit' deficit.

It doesn’t improve oxygen use or aerobic performance, or influence how quickly you bounce back after exercising.

 

I tried ginseng many years ago but I didn't notice any difference what-so-ever.