Evidence supporting the use of: American Ginseng
For the health condition: Concentration (poor)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

American Ginseng (Panax quinquefolius) has a history of traditional use in Native American and Chinese medicine, but its application for improving concentration (i.e., attention and cognitive function) has also been explored in scientific research. Several randomized controlled trials have investigated its effects on cognitive performance, particularly in healthy adults. For example, a study published in Human Psychopharmacology (2010) found that a standardized extract of American Ginseng improved working memory and aspects of attention in healthy young adults. Another double-blind, placebo-controlled trial (Kennedy et al., 2001) reported modest improvements in cognitive performance following acute administration.

However, the quality and quantity of clinical evidence remain limited. Most studies are small in scale, and while some show statistically significant effects on certain parameters of cognitive function, the overall impact on concentration is mild and may not be clinically meaningful for everyone. Furthermore, mechanisms proposed for these effects—such as modulation of glucose metabolism and anti-fatigue properties—require further elucidation. Overall, while there is some scientific validation for the use of American Ginseng to support concentration, the supporting evidence is moderate at best, and more rigorous, large-scale studies are needed.

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