date:Jul 25, 2013
people with cancer-related fatigue into two groups. People in one group took 2,000 milligrams of Wisconsin ginseng daily for eight weeks; those in the other group took placebo capsules.
Participants reported their fatigue on a specialized questionnaire. Researchers then weighted those answers on a 100-point scale, where higher scores indicate more energy. Both groups started with an average score around 40.
After eight weeks, the ginseng group reported a 20-point score increase, on average, c