Penis Extenders for Short Penis Effectiveness Medical Study

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Do penis extenders really work for penis enlargement?

It’s probably one of the most common questions that lead men to PEGym.

The simple answer is — YES!

Penis extenders can actually give you a longer and thicker penis. We have thousands of men in our forums that can attest to the effectiveness of extenders, like the Phallosan Forte.  However, we also understand that men want more proof than just anecdotal stories of success on the Internet. That’s why we do try to share as many medical studies as possible.

The following overviews a study of penis extenders for increasing length on men with short penises. This study was published in the British Journal of Urology International in 2009.

Participants of the Penis Extender Study

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Here are the details on this penis extender study participants:

  • Fifteen men were studied in this research.
  • All men received instruction on how to use a penis extender.
  • The men were told to use the penis extender for 4 hours per day, for six months.
  • Penis length was measured at the start of the study, as well as at the 1, 3, 6, and 12 month points.
  • In addition to penis dimensions, the researchers also surveyed the patients on erection quality.

Results of the Penis Extender Study

After 6 months, it became clear the men had experienced a significant increase in penis size and had improved erection quality.

  • The mean flaccid length had increased by 2.3 cm.
  • The mean stretched length had increased by 1.7 cm.
  • The erection quality also was reported to be improved significantly.

PEGym Notes About the Study

These findings were not a big surprise for us here at PEGym. We’ve had more than a decade of reports of men telling us how effective penis extenders are!

The key to extender success though is wearing them for long periods of time (the participants of this study wore them for 4+ hours every day) and wearing them consistently. For this reason, it’s important to use a penis extender that is both comfortable and discreet.  That’s where the Phallosan Forte really shines.

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The Phallosan is the most comfortable penis extender on the market. This allows you to wear it morning, noon and night, while you go about your day. In fact, it’s so comfortable, you can wear the Phallosan for up to 12 hours!

Plus, the Phallosan Forte is very, very discreet! You can wear it under your normal clothing, even jeans!, and no one will be the wiser.


Gontero, P., Di Marco, M., Giubilei, G., Bartoletti, R., Pappagallo, G., Tizzani, A., & Mondaini, N. (2009). A pilot phase‐II prospective study to test the ‘efficacy’and tolerability of a penile‐extender device in the treatment of ‘short penis’. BJU international, 103(6), 793-797.


NOTE: PEGym is a Phallosan Forte affiliate. Your purchase through one of our links helps us keep PEGym forums and content free. THANK YOU!



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