Korean red ginseng is a form of Panax ginseng root, used extensively in naturopathic and integrative medicine. Supplement manufacturers create "red" ginseng using a source of heat -- most commonly steaming or sun-drying -- to give the root a brittle texture. Scientists have not conclusively demonstrated that Korean red ginseng works to treat any disease or condition. However, preliminary evidence does support its medicinal use in some capacities.
Erectile Dysfunction
Korean red ginseng does appear to be an effective treatment for erectile dysfunction (ED) in men. A comprehensive 2007 study, published in the "Asian Journal of Andrology," determined that Korean red ginseng effectively treated erectile dysfunction in the majority of patients. The authors of the study theorized that Korean red ginseng is a safe, natural alternative to more invasive treatment options. The National Institutes of Health regards Panax ginseng as "possibly effective" in this capacity, noting a need for further research.
Mental Clarity
Supplements containing Korean red ginseng, or other forms of Panax ginseng, seem to improve mental clarity and function. According to the National Institutes of Health, Korean red ginseng is "possibly effective" for improving abstract thinking and mathematical skills. When combined with gingko biloba, it can also help to enhance memory. Despite encouraging evidence, ginseng's efficacy as a mental enhancer remains ultimately unproven and warrants further clinical research.
Inadequately Researched Uses
Most of the common uses of Korean red ginseng are significantly under-researched, and there is not enough evidence to support or refute its role. The University of Maryland Medical Center acknowledges Korean ginseng's theoretical value in the treatment of cancer and viral infection, but notes that scientific findings are inadequate or contradictory. The National Institutes of Health also cites "insufficient evidence" of Korean ginseng's role in the treatment of anemia, depression, fluid retention, chronic fatigue and fibromyalgia.
Ineffective Uses
Some the uses of Korean red ginseng, while supported by historical and anecdotal evidence, appear to be ineffective. The National Institutes of Health regards Korean ginseng as "possibly ineffective" as a treatment for menopausal discomforts, Current evidence also suggests that it does not work to improve athletic performance, mood, or overall sense of wellbeing. Although more trials will be needed before scientists can draw firm conclusions, it is unlikely that red ginseng is effective in these capacities.
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