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Perspective on Roseroot (Rhodiola rosea) Studies
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Pharmacology.
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Information Science, Statistics.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Pharmacology.
2009 (English)In: Planta Medica, ISSN 0032-0943, Vol. 75, no 11, 1187-1190 p.Article in journal (Refereed) Published
Abstract [en]

Rhodiola rosea (roseroot) extract is a commercially successful product, primarily used to reduce the effect of fatigue on physical and mental performance. In this perspective we present our investigation of the most recent studies performed on human subjects. With a focus on the statistical methods we found considerable shortcomings in all but one of the studies that claim significant improvement from roseroot extract. Overall, the study designs have not been well explained. Experimental results have been confused and appear to be in some cases incorrect. Some of the conclusions are based on selected results and contradicting data have not been adequately taken into account. We point to other studies of higher quality performed on roseroot, several that found no significant effect and one that did. We conclude that the currently available evidence for the claimed effects is insufficient and that the effect of Rhodiola rosea is in need of further investigation before therapeutic claims can be made.

Place, publisher, year, edition, pages
Verlag KG Stuttgart -New York , 2009. Vol. 75, no 11, 1187-1190 p.
Keyword [en]
Rhodiola rosea, Crassulaceae, adaptogen, statistics
National Category
Pharmaceutical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-107961DOI: 10.1055/s-0029-1185720ISI: 000270401600001OAI: oai:DiVA.org:uu-107961DiVA: diva2:233734
Available from: 2009-09-02 Created: 2009-09-02 Last updated: 2010-07-05Bibliographically approved

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