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VigRX Plus Clinical TrialResults for the first ever human-tested clinical study of the natural penis enhancement pill called VigRX Plus™ are now available for review online. This triple blind, placebo controlled, randomized study was performed to evaluate the safety and efficacy of VigRX Plus™ capsules as a dietary supplement to improve erectile function and maintain Male Sexual Health. The findings contained in the complete 56 page report indicate a clear improvement in erectile functioning in all subjects including increased libido, intercourse satisfaction and orgasmic function.

VigRX Plus™ Study Parameters

  • Subjects: 75 males
  • Age Range: 25-50 years old
  • Length of Study: 84 days
  • Product Dosage: 2 capsules twice a day with meals
  • Evaluation Method: IIEF (International Index of Erection Function)

Study Analysis

The IIEF was used to measure erectile dysfunction and provide information on each subjects ability to achieve and maintain an erection. It consisted of six questions concerning:

  • Erection frequency
  • Erection firmness
  • Frequency of partner penetration
  • Frequency of maintaining erection after penetration
  • Ability to maintain erection to completion of intercourse
  • Confidence in achieving and maintaining erection


The use of VigRX Plus for twelve weeks was significantly better than placebo in improving erectile function in subjects with sexual dysfunction. It was also significantly superior to placebo in improving the other aspects of sexual health such as libido, intercourse satisfaction, orgasmic function and overall satisfaction. The enhancement of sexual function was endorsed by female partners of subjects receiving VigRX Plus.

Statistical Improvement:

  • Ability to Maintain Erections: 62.82% increase
  • Ability to Penetrate Partner: 59.97% increase
  • Length and Quality of Orgasms: 22.49% increase
  • Sexual and Intercourse Satisfaction: 71.43% increase
  • Sex Drive and Desire: 47.00% increase
  • Overall Sexual Satisfaction: 61.00% increase

The entire 56 page report can be found here: VigRX Full Study [PDF Format, 465KB]


The data provided in this clinical study shows that VigRX Plus™ offers a safe and effective alternative to prescription erectile dysfunction medications. This all-natural formula not only helps combat the symptoms of ED but also helps alleviate other sexual problems such as undersized penis during sexual intercourse, premature ejaculation, decreased sexual vigor and lack of sexual desire.

Final Word: VigRX Plus is an affordable and powerful penis enhancement pill solution for all men seeking to improve their sexual performance.

You can find more details about this study located on the product website listed below.

VigRx Plus Clinical Study

Posted by PRS
Friday, June 4th, 2010


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