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Med Sci Monit. 2003 Feb;9(2):PI12-8.

Kyo-Green improves sexual dysfunction in men and women.

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Department of Biochemistry and Microbiology, School of Medicine, Loma Linda University, CA 92350, USA.



Serendipitously, we discovered the effects of Kyo-Green, a green powdered nutritional supplement, on improving sexual dysfunctions in both men and women. In this paper, we presented two case reports and an open-labeled pilot study involving 40 subjects for a period of three months to determine the effects of Kyo-Green on sexual dysfunctions.


Twenty-five men and 15 women were enrolled into this study. All the male subjects had suffered erectile dysfunction (ED). All the female subjects reported lack of libido. Subjects took one teaspoonful of Kyo-Green two times a day. Subjects completed a questionnaire at the beginning, and at the end of one, two, and three months while taking Kyo-Green. The analysis of data was based on the four questionnaires completed by the subjects.


Increase of energy was reported by all the subjects. Sixteen males and 12 females reported satisfaction with their sex life after taking Kyo-Green for three months. Twenty of the 25 male subjects reported significant improvement in erectile dysfunction, and ability to initiate and maintain sexual activity with satisfaction.


All the subjects experienced an increase of energy levels within a few weeks after taking this supplement. Eighty percent of the male subjects with ED regained erections while taking this supplement. The study suggests that Kyo-Green, particularly when used in conjunction with a lifestyle modification approach, may be useful in the management of sexual dysfunction in men and women who prefer a non-drug approach.

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