The Only Clinically Proven, Medical Extender Device?

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SizeGenetics™ has several medical endorsements. The device has undergone extensive scientific research and clinical studies over the past 25 years by US and Danish scientists and doctors, and has been proven to extend your penis. This was a key point for us as we reviewed the original studies and more recent user results to see how the technology has evolved.

As a registered medical type one device SizeGenetics™ has been approved for use by strict FDA regulations. Every single device is manufactured to the strictest standards in high grade facilities, using medical grade components.

This means the SizeGenetics™ penis extender is risk free and safe to use, so you can use SizeGenetics™ with 100% confidence, knowing that your health and safety is assured, and that your device will work for you.

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Don’t choose an inferior, unproven device, or resort to risky, painful surgery to enlarge your penis. We cannot stress how important it is to follow the manufacturer’s instructions and not risk injury.

Thousands of men around the world just like you have used the clinically proven SizeGenetics™ device to safely and effectively extend and straighten their penises.

Medical Endorsements

SizeGenetics Before & After Results

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Our In-Depth SizeGenetics Review

For our testing, we asked a survey participate (Derek R.) to volunteer for the study. Derek had zero prior experience with any type of penis enlargement and was in the ‘average’ size group.

We thought this would give us the best possible insight into how effective a rod based extender could be and would help us either determine whether or not we should recommend for our readers.

Derek’s Baseline Measurements: 4.9″ Erect & 4.2″ Girth (4.1″ flaccid)

Derek’s Results After 6 Months: 6.25″ Erect & 4.6″ Girth (4.45″ flaccid)

We started out with a healthy degree of skepticism but after the first month, that skepticism quickly gave way to optimism. We think you might be surprised too…

Here is Derek’s journal on his journey…

After sending in my survey results to Richard I was surprised that he wrote back a few weeks later and asked if I would be interested in a free study for increasing my size.

Of course, I was interested and before I seriously considered the ramifications of a 6-month commitment I signed up for the study. Richard said he selected me because I was on the low end of the average spectrum and he thought I had a lot to offer other guys in that size category.

Ultimate Package
The unboxing of the free study kit.

What the hell did I get myself into?

That was my reaction when I unpacked everything from the Ultimate system package. This looked like a torture device and I was initially scared to try it. But after getting familiar with the concept of penis traction on their DVD, testing out the comfort strap and elongation bars, I was excited to get started.

In fact, it looks a lot worse that it actual is. Basically, once you get over that initial fear, you just stick your penis inside of the extender, tighten one of the comfort bands around your head of the penis and adjust a few screws to add traction to the mix.

On my first day, I simply adjusted the tension to the lowest setting to see how it felt, I wanted to get the hang of it without trying to max things out or damaging my penis tissue. Trust me, that first attempt was challenging but after a few minutes I knew I had made the correct decision. So after that first session, fear was no longer part of the equation for me and I was eager to get started gaining length and girth.

I want to state a few things before going any further:

  • The SizeGenetics penis extender was more comfortable than we expected.  However, after a few weeks, I realized I was overdoing things and perhaps had too much excitement to push myself everyday.  I had to step back from everyday wear and also use a sheath from my old Phallosan device to continue my growth while protecting the penis shaft.  If you don’t have the money for multiple devices, I would advise you to use a start small with the length of your training sessions. 
  • Tension ranges should be adjusted over time. Again, don’t rush the process. This advice applies to any type of penis extender or penis enlargement products.
  • Comfort can be added with the foam protection pad, protection plaster or protection sheet. I rotated between all three and my Phallosan sheath, but like the foam pad the most.

Spend time on your adjustments to ensure the extender is comfortable for you. If it doesn’t feel right, try any combination of the protection pads, or use all three protection methods until it feels right.

This might sound odd but I am not the type of guy that measures his penis on a regular basis. I did once as a young man and it mentally killed my mojo. After that, I tried not to think about it until I heard about the size survey study.

In fact, I never measured myself again after I sent in my submission to Richard. But I wanted to have some baseline measurements to go on and when I finally did measure myself, I had the following measurements:

  • 4.9” erect measurement
  • Girth 4.2”

Keep in mind that these measurements were taken when close to fully erect. The ruler kind of ruins the blood flow but I was confident in the measurement. I was not nearly as concerned about my flaccid size because when it comes down to it, the only thing that matters is how big you are when erect.

Month 1 – 3: Results Start Slow

I’ve always been skeptical about enlargement reviews where men state that they’re now 9” long in just a few months. I am not one to fall for sales pitches and have never really considered other enlargement programs prior to this. I am sure you know the type of products I am talking about, the tend to advertise heavily on ESPN and the like.

Obviously, those types of products are not legit. I’m sorry if that upsets you but it simply doesn’t work that way.

If anyone makes a product or pill where men can double or triple the size of their penis like that, every man would be walking around with a gigantic penis. The truth is that those products are trying to manipulate you on your self doubts. If it sounds too good to be true- it probably is. Keep that in mind before you commit to any device. You only get one penis and you sure as shit don’t want to injure your penis with some sketchy knock-off product.

So what made me take the SizeGenetics device seriously where the other products failed?

First, Richard sent me several scientific studies that show the effectiveness of penile traction. Once I got my head around the science and the concept of creating new cells with sustained training, I knew I had made a smart decision and had nothing to lose.

Second, I saw several before and results that were clearly legit. If the Sizegenetics extender could work for other guys, why not me?

So, what were my results during the first 90 days?

  • Month 1: 0.2” gain in length
  • Month 2: 0.3” total gain in length
  • Month 3: 0.6” total gain in length

What happened between month 2 and month 3? No idea.

The initial month was slow-going, and even the second month something happened where the gain was less than the first month of using the extender. I have to admit, I was very close to letting my self doubt get the best of me again and had to contact at one point to ask if I was doing something wrong or actually using the device too much.

So, while this was not earth shattering results, my length gains helped me increase my penis size from 4.9” to 5.4” after just three months.

I only gained 0.1” in girth during this time, so I ended my three months with a penile girth of 4.3”. Again, if you had told me I would add that much length for the full study I would have not had any complaints. The amount of confidence I felt was x 1000 compared to my measurements. But the best was yet to come…

My Results After 6 Months of Use

I’m going to be honest, I got lazy with my measurements after the first three months. I thought that maybe I was too eager to see massive gains every week so I decided that I would not measure my penis size again until after the full 6 months. And while I noticed serious improvements along the way, I was not sure where I would end up.

My end results were 1.25” of gains in penis size and 0.4” increase in girth.

If you’ve been following all of this, I ended my initial six-month usage of the SizeGenetics system with the following results:

  • Length: I went from 4.9” to 6.25” in size
  • Girth: I went from 4.2” to 4.6” in girth

The best part is that my erection is much fuller now and the results have stayed strong. I’m more than happy with my size but don’t plan to stop here. I am still training each day and am going to add a new variation soon to continue my permanent penis enlargement. I will continue to update Richard on my results.

So, these are my results – my personal SizeGenetics testimonial.

The one thing I was surprised about is that this extender got less comfortable over time, but it does work well.

People see SizeGenetics testimonials online and they automatically think they’ll be able to walk around like a well-hung pornstar in a week. You need to be prepared for the long haul. SizeGenetics is a long-term solution, and if you want real long-term growth, you need to stick with this product.

It does take some time to get used to using this product. I wanted to write my review after my experience so that other guys out there that are haunted by self-doubt and concerned about spending hundreds of dollars for an extender can understand that there is hope. I am a normal guy who decided to take action and move forward with my sex life.

The bottom line is that if you keep using this product consistently, you will see results.

Why You Should Choose The SizeGenetics Extender?

The ONLY clinically proven device offering a massive 2,800 grams of tension
SizeGenetics™ is completely GUARANTEED with a 6-month return policy!

SizeGenetics works and is the only extender with a AUTHENTIC medical device certificate.

Use the same device RECOMMENDED by penis enlargement surgeons

Do not settle for cheaper, inferior penis extenders and risk permanent injury. Sizegenetics offer you the ultimate system for a medical device. Decades of Sizegenetics reviews show that it is the most effective & most comfortable of all the best penis extenders and penis stretcher devices available on the market. It offers a full money back guarantee.

SizeGenetics™ has had OVER 27 SUCCESSFUL YEARS in the marketplace
Billing & Delivery is fast and 100% discreet

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27+ Years Of Customer Testimonials

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The SizeGenetics Guarantee

A Bigger Penis Or Your Money Back


A bigger penis can make a world of difference to your confidence, self-esteem, and sex life.

The thought of ‘that moment’ can be nerve-wracking when you feel under-endowed, and the worry of how it looks and feels for both you and your partner can be enough to put you off sex altogether.

Order SizeGenetics™ now and get your confidence back in the bedroom.

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