Significant Increase in Libido, Enhanced Sexual Function, and Increased Frequency of Sex

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00.04.01 redistributed with permission
Prestigious Medical Journal Report On Sex Enhancing Herbal Extract

Urology, a major peer-reviewed medical journal that first published the Viagra® study, will publish a study confirming the sex-enhancing effects of an extract of Maca, a root from the central highlands of Peru. "This is a significant development in maca research, and a breakthrough for the herbal industry," says Dr. David Forrester. "This is a very unusual development for a major medical journal to publish findings on a sex-enhancing herb."

Since the release of the drug Viagra, a plethora of supplement companies have marketed herbal products purported to enhance libido and sexual function. But these products have lacked clinical validation. In the study which will appear in the April 2000 issue of Urology, mice fed Maca Root extract exhibited a significant increase in sexual activity when compared to the control group.

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Maca (Lepidium meyenii) has been used by Peruvians for centuries as an energy and sex-enhancing botanical. To investigate traditional maca use and cultivation, the Peruvian government sponsored research in the Andes highlands (see Expedition Bulletin). To unlock maca's chemical secrets, scientists conducted the most comprehensive analysis of maca ever performed. Under the direction of Dr. Qun Yi Zheng, chemists discovered several previously unknown compounds in the plant.

To ensure product safety, a cultivator donated an industry brand extract for oral toxicity testing. The results revealed no toxicity and an absence of adverse pharmacalogic effects. Further in vivo studies showed that the maca extract promotes libido, sexual potency and energy. Animals fed the extract greatly increased their sexual activity, engaging in sex far more frequently than usual. The Urology article, authored by Dr. Zheng and colleagues, describes the studies.

Anecdotal reports from individuals given Maca further confirm the sex-enhancing effects of the extract. Users claim a significant increase in libido, enhanced sexual function, and increased frequency of sex.

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