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Read Our Real Review of the SizeGenetics Penile Traction Device Before You Buy!

For months, we rigorously tested and reviewed SizeGenetics, seeking the promised transformation. What we discovered defied our expectations.
Shahrokh Shariat, MD
Senior Editor & Writer

Prof. Shariat has published over 1400 scientific papers in peer-reviewed journals. In 2014 he received the Matula Award from the European Society of Urology (EAU), and in 2017 the Gold Cystoscope Award from the American Society of Urology, probably the most important urologist award worldwide.

Insecurity about one’s body, especially penis size, is a shared human struggle, intensified by societal standards and media pressure. Amidst countless dubious enlargement methods, SizeGenetics emerges as a genuine game-changer. This revolutionary penile extender, stimulating tissue growth through gentle traction, not only enhances length, girth, and curvature but also boosts erection firmness. Our thorough investigation reveals its authenticity, providing a beacon of hope for individuals grappling with body image concerns. SizeGenetics stands as a testament to genuine transformation, offering newfound confidence and dispelling age-old anxieties.

Our Verdict

Editor’s Rating

sizegenetics offer
Editor’s summary


Incorporating cutting-edge technology, this device presents a groundbreaking device that promises transformative results. When employed correctly, this innovative tool not only elongates your penis but also enhances its girth.

The scientific foundation supporting this product is robust, and its traction system sets the industry standard in both design and durability.
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  • Backed by scientific research
  • Wear day and night
  • Crafted strong and durable
  • Proven safe and effective
  • Easily hidden underneath loose-fitting clothing


  • Requires frequent use for results
  • May snag untrimmed hair
  • Metal bars can cause discomfort
  • Lacks satisfactory customer support

Editor’s Top Picks

Review by: Body Freedom
Review by: Body Freedom
Ultimate System Best Value
Review by: Body Freedom
Review by: Body Freedom

Why you should trust us

Body Freedom Research diligently examines each health service, including SizeGenetics, employing rigorous testing. Our expert testers and team invest thousands of hours, free from marketing influence, to present an impartial evaluation of this device and its competitors.

For two decades, Body Freedom Research has empowered millions, aiding them in making informed decisions for healthier living. We assess services based on quality, cutting-edge medical research, and the fundamental question: would we personally endorse this product to our loved ones, devoid of professional obligation?

Moreover, all health-related content undergoes meticulous scrutiny by our Medical Review Board, ensuring precision and reliability.

What is SizeGenetics?

It has revolutionized male enhancement since 1995, pioneering scientifically backed solutions sans surgery. Elevating confidence, they proffer extenders and bespoke kits, backed by a satisfaction guarantee. Tailor your journey with unparalleled versatility.

Dive into a world of options:

  1. Value Edition: Unlock Fundamental Growth
  2. Comfort Package: Embrace Effortless Progress
  3. Ultimate System: Elevate Your Experience
  4. Peyronie’s Disease Home Treatment: Find Healing Comfort
  5. Parts and Accessories: Your Gateway to Perfection

Discover everything needed, from replacement parts to enhancing gels. SizeGenetics fuels your transformation, crafting a future where confidence knows no bounds.

Is SizeGenetics legit?

Skepticism often surrounds claims made by penis enlargement methods, leaving individuals uncertain about their efficacy. However, SizeGenetics breaks this pattern decisively. It earns your trust by employing a time-tested technique: penis traction. This method, using sophisticated suspension devices, stretches and strengthens the penis tissue, akin to how weight training stimulates muscle growth.1

Unlike quick-fix solutions, it relies on the gradual yet proven process of traction. Through consistent and patient use over months, it triggers the body’s natural cell regeneration, akin to the process central to weight training. This commitment yields substantial results, making SizeGenetics a reliable choice for those seeking genuine enlargement.

How does SizeGenetics work?

Penis extenders from SizeGenetics revolutionize enlargement. Utilizing elongation bars and straps, these devices create traction, inducing microscopic tissue tears in your penis. Much like muscles grow by repairing microtears2 post-workout, your penis enlarges during this natural repair process.

Here’s how it works:

  1. Measure: Gauge your flaccid penis, gently stretching it without excess force.
  2. Setup: Adjust small thumbscrews at arm bases, leaving a slight gap. Attach extension bars to exceed your stretched length by 1cm. Insert strap ends into the slots.
  3. Wear: Slide your penis through, guiding the head through the loop. Compress spring bars slightly. Secure the strap around your penis head, ensuring comfort with included materials. Upon release, the spring bars gently stretch your penis.
  4. Adjust Tension: Increase tension by turning thumbscrews. Avoid over-tightening; add bars if screws show threads.
  5. Wear It: Wear the device for hours daily, with rest days. After months, attain permanent results.

Pro Tip for Ultimate Comfort:

Even with protective pads and comfort materials, the device may feel awkward initially. We advise practicing putting it on and taking it off at least three times during the first week of use. Familiarizing yourself quickly makes it easier to follow your program.

Does SizeGenetics work?

Experience the effectiveness of using their products consistently for a minimum of 12 weeks. To achieve the best results, wear the device daily for several hours. Its intuitive design ensures comfort and discreet usage under clothing, preserving your privacy.

Users often report gains of up to 1.5 inches within eight months, accompanied by noticeable short-term progress. However, these gains are temporary if you halt your program prematurely.

Products and package prices

Consider this when making your purchase: The company, stationed in Europe, impacts your decision. Consequently, a flat fee of $19 is appended to the total order for US shipping, an unavoidable additional cost.

Here’s a quick look at SizeGenetics’ product lineup:

1. Value Edition – $199.95

SizeGenetics Value Edition offers affordability without compromising essentials. It equips you with the basics to commence, lacking a few accessories found in pricier packages.

2. Comfort Package – $249.95

Upgrade to the Comfort Package for an extra $49, which enhances the Value Edition by incorporating extra features like a silicone tube to further reduce discomfort.

3. Ultimate System – $299.95

Upgrade Now: Experience the enhanced Ultimate System, incorporating essential features from our base package and introducing a chic travel case, hydrating lotion, and calming talcum powder. Individually, the lotion and powder come at a $48 value, making the travel case essentially a gift.

4. Peyronie’s Disease Home Treatment – $299.95

Prepare to embark on a journey of intimacy reborn! Our specially crafted Peyronies Disease Home Remedy Kit is not just a solution; it’s a lifeline for those grappling with penile curvature, discomfort during erections, diminished libido, or feeble erections.


SizeGenetics provides a solution for users beyond the standard one-year warranty. Offering individual components for repair ensures both economic and sustainable fixes, eliminating the need for replacements. Diverse comfort-enhancing options are available in their packages.

These selections comprise:

  1. HydrateX Moisturizing Serum Rejuvenate your skin post-stretching sessions. Combat dryness and alleviate potential chafing due to prolonged use.
  2. VelvetEase Talc Solution Proactively prevents chafing. Apply a touch of talc before stretching. A word of caution: talcum powder is linked to ovarian issues,3 necessitating thorough cleansing before intimacy.
  3. Vitality Plus Supplement Rich in folate, iron, zinc, and vitamins D and B12, this supplement aids tissue repair and cell regeneration. While not directly linked to enlargement, it promotes healing and growth.4
  4. PureGuard Disinfectant Spray Ensure device hygiene. Regular use demands cleanliness. This spray thwarts bacteria, yeast, and fungus, safeguarding your well-being.
  5. Zestra Intimate Arousal Blend Elevate Intimacy. Applied during foreplay, this oil enhances arousal for up to 45 minutes. Exercise caution with latex condoms, as oil-based products can damage them, potentially increasing pregnancy and STD risks.
  6. Progress Tracker Tool A practical ruler and protractor in one. Measure up to 16 inches and 180 degrees. Monitor your progress and precisely set your device before each session.

Payment, shipping, and insurance

In the world of convenient transactions, SizeGenetics leads the way. We accept major credit cards and PayPal for seamless payments. For our UK customers, wire transfers are at your service. An inconvenience arises during checkout – brace yourself for the repetition of entering your billing address.

With our headquarters nestled in the heart of London, shipping to the US demands a mere $19. Frustration may creep in, but rest assured, our shipping process is lightning-fast. Picture this: our testers made their purchase on 10/14 and cradled their devices by 10/19.

Now, a reality check. Your insurance is unlikely to embrace a penis extender as a necessary expense, considering it elective. However, for those battling clinical Peyronie’s diagnosis, a glimmer of hope exists. Pursue an out-of-network claim; you might just recoup some of the costs, easing the financial burden.

Privacy considerations

The company safeguards your personal data meticulously.

  • Discreet packaging conceals all shipments.
  • They guarantee no gathering or sharing of your financial or personal data.
  • Securely make payments on the website using cards or PayPal.

SizeGenetics FAQ’s

Sizegenetics comparison with other devices

In the realm of penis extension devices, SizeGenetics stands among many. A plethora of options abound, but our comprehensive guide distills the field to its essentials. Here’s a glimpse of the leading contenders:

Phallosan Forte Popular Choice
Complex in design, Phallosan Forte comprises numerous components, some redundant for certain girths. Though challenging to comprehend, it offers remarkable comfort and effectiveness. However, its price and complexity may deter some, leading to the consideration of more straightforward alternatives, equally effective in outcomes.
PeniMaster Pro Most Similar
PeniMaster Pro excels in comfort and offers exceptional vacuum-based traction. While pricier and more intricate than SizeGenetics or Quick Extender Pro, its potential impact on girth makes it a noteworthy option. For an in-depth look, delve into our PeniMaster Pro review.
MaleEdge Budget Option
For budget-conscious individuals, MaleEdge offers a modestly effective solution. Its lower initial tension necessitates patience, minimizing the risk of bruising or adverse effects. However, its construction quality lags behind options like Quick Extender Pro.
Jes Extender Premium
A gradual progression in extension bar lengths ensures a painless process. Jes Extender, while decent, makes 0.5-inch adjustments, possibly too large for some users. Despite a luxurious facade, its high cost outweighs its quality, making alternatives like SizeGenetics and Quick Extender Pro more sensible choices.
Quick Extender Pro Best Values
Quick Extender Pro, akin to SizeGenetics, presents a user-friendly device. Unlike conventional handscrew mechanism, it utilizes springs and extension rods, ensuring consistent tension throughout your regimen. Coupled with superior customer service and comparable pricing, Quick Extender Pro emerges as the top choice for most men.

How we evaluated SizeGenetics

At Body Freedom, we meticulously craft our evaluation criteria to suit the specific type and essence of health-related services or products. When scrutinizing offerings like SizeGenetics and other health products, we delve into various aspects, including:


Rating: 9.3 / 10

Witness the undeniable power when utilized diligently. A mere 12 weeks of consistent use yields permanent gains in both length and girth. Scientific literature attests to the efficacy of traction methods, offering not just size enhancement but also heightened erection strength and orgasm intensity. These benefits far outweigh minor discomfort, affirming the method’s effectiveness.


Rating: 8.8 / 10

Penis extension devices, a boon for men seeking size enhancement, offer remarkable value. The prospect of guaranteed size increase often seemed priceless, yet these devices come at a reasonable cost, generally in the low hundreds. In particular, strikes a fair balance. While some competitors may offer slightly more for less, SizeGenetics’ packages, especially the value edition, provide all necessary components at a justifiable price. Moreover, the option to add extension rods incrementally ensures affordability and flexibility.


Rating: 9.0 / 10

SizeGenetics’ device, though elegantly simple, exudes durability. Its user-friendly design facilitates effortless application and removal. Notably, the storage case, included in tiers above the value edition, adds a touch of sophistication, complete with a secure lock for discreet storage. While not unparalleled, it outperforms most competitors, establishing its superiority.


Rating: 7.8 / 10

The device offers substantial convenience, from user-friendly device application to seamless online navigation. However, clarity is paramount when dealing with sensitive body parts. Unfortunately, the poorly worded instruction booklet contradicts the instructional video on the website, necessitating cautious and time-consuming device familiarization. This discrepancy diminishes the overall convenience.


Rating: 8.5 / 10

The company prioritizes your privacy both in physical deliveries and online interactions. Discreet packaging ensures confidentiality, concealing the nature of the product. Online, personal data is securely stored and automatically deleted after five years, aligning with privacy norms. While utilizing cookies and analytics for site improvement, SizeGenetics stands out by offering a guide to managing cookies and respecting user preferences uncommonly.

Customer Support

Rating: 5.4 / 10

Regrettably, SizeGenetics falters in customer support. The absence of functional phone lines, coupled with extended wait times, reflects a glaring deficiency. Addressing product discrepancies compounds the frustration; customers are subjected to bureaucratic hurdles, delaying issue resolution. While email responses and occasional chat accessibility provide limited solace, the overarching customer support experience remains deeply disappointing.

How we reviewed this article:


Experience enhanced confidence and discreet penis enlargement with this extender’s adjustable traction system. Users achieve visible size gains, fostering improved self-assurance. Its ergonomic design guarantees extended usage without discomfort, a dependable option for men pursuing non-invasive enhancement. Note that outcomes vary individually, requiring dedicated and patient use for optimal results.

– Body Freedom

sizegenetics offer
Customer Support


SizeGenetics meticulously tailors packages and accessories, asserting their prowess in penis enlargement through traction techniques. Since its establishment in 1995, this product has earned praise for delivering gains of up to 1.5 inches with consistent, months-long use. Despite its effectiveness, a significant flaw taints its reputation: slow and unresponsive customer service, characterized by extensive wait times and inadequate support channels.

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Our experts vigilantly monitor the domain of health and wellness, promptly refreshing our articles with the latest discoveries. Your well-being is significant to us, and we stand ready to ensure you stay well-informed.

January 22, 2022

January 22, 2022
October 3, 2023

Current Version

Written By
Shahrokh Shariat, MD
Edited By
Suzanne Briggs
Medically Reviewed By
Thomas M. Buckley, MD
Copy Edited By
Daniel Johnson

October 3, 2023

At Body Freedom, we rely solely on top-tier sources, such as peer-reviewed studies, to bolster the veracity of our content. Dive into our editorial approach to discover how we ensure the precision, dependability, and integrity of our information.

  1. Nikoobakht M, Shahnazari A, Rezaeidanesh M, Mehrsai A, Pourmand G. Effect of penile-extender device in increasing penile size in men with shortened penis: preliminary results. J Sex Med. 2011;8(11):3188-3192. doi:10.1111/j.1743-6109.2009.01662.x ↩︎
  2. Evans, William J. PhD. Clinical Orthopaedics and Related Research (1976-2007): October 2002 – Volume 403 – Issue – pp S211-S220 ↩︎
  3. Merritt, Melissa A., et al. “Talcum powder, chronic pelvic inflammation and NSAIDs in relation to risk of epithelial ovarian cancer.” International journal of cancer 122.1 (2008): 170-176. ↩︎
  4. Lin PH, Sermersheim M, Li H, Lee PHU, Steinberg SM, Ma J. Zinc in Wound Healing Modulation. Nutrients. 2017 Dec 24;10(1):16. doi: 10.3390/nu10010016. PMID: 29295546; PMCID: PMC5793244. ↩︎