I recommend Examine.com for supplement literature reviews which are far more in-depth than Wikipedia. "Research indicates that American ginseng may improve sho

I recommend Examine.com for supplement literature reviews which are far more in-depth than Wikipedia. "Research indicates that American ginseng may improve short-term working memory and reaction time, particularly at lower doses, and some positive results were noted in older adults and people with schizophrenia. However, the overall effectiveness on cognition remains uncertain because no significant improvements were found in verbal memory or attention." https://examine.com/supplements/american-ginseng-panax-quinquefolius/ https://examine.com/supplements/american-ginseng-panax-quinq...