How To Really Make Your Penis Bigger: We Analyzed 28 Scientific Studies

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For thousands of years, a large penis has been associated with masculinity and virility, and today, thousands of men scour the web trying to learn how to get a bigger penis. Throughout history, men have tried many different methods to get a bigger penis, including…
Allowing poisonous snakes to bite the penis to make it larger [1].

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Unfortunately, men today continue to feel pressure to have a larger penis, which can lead to shame, embarrassment, and stress. It often causes men who have a normal sized penis to believe that they require penis enlargement. With countless TV commercials, internet ads, and magazine advertisements advertising different ways to make your penis bigger, it’s easy to start feeling insecure about your size.

Of course, even if you feel like you could use a boost in the size department, there’s a good chance your penis is actually average. The average erect penis length for most men ranges between 5-6.5 inches, while the average flaccid length ranges between 1-4 inches [2]. Although studies haven’t found a relationship between penis size and race, the evidence does show that normal stretched penile length varies between ethnic groups, with East Asians having a slightly shorter stretched penile length compared to African-American and Caucasian ethnic groups [3].

You cannot necessarily tell how big a penis will be when it’s soft. Men who have smaller flaccid penises but impressive erections are known as “growers” (learn about the 10 types of penises). However, you might be concerned if you’re smaller in both states.

We don’t recommend grabbing your nearest poisonous snake if you want to grow your penis, but we have found a few proven methods you can use to make your penis bigger. You’ll also find some tips on how to make your penis larger in appearance and a few important suggestions for preventing shrinkage.

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Common Methods for Increasing Penis Size

A quick internet search will give you a whole list of ways to make your penis bigger. But do they work? Are they safe? We’ve done the research to give you the real scoop on what doesn’t work, what requires more research, and the options that really will help you get a bigger penis.

Pills and Lotions

The internet is packed with banner ads and pop-ups that advertise pills and lotions for male enhancement and enlarging the penis. They often contain herbs, hormones, minerals, and vitamins, but none of them have been proven to work [4]. Some pills have been investigated by the FDA and found to have levels of prescription drugs like sildenafil (Viagra) in them, and the FDA notes that there’s a growing trend of dietary supplements that contain hidden chemicals and drugs [5].

With no proof to back them up and the potential dangers that come with hidden ingredients, we don’t recommend these products if you want to grow your penis. There’s no guarantee that they’ll increase penis size, and you may experience unwanted side effects.

Often dubbed an ‘exercise,’ jelquing is a technique for penis enlargement that’s become popular with the rise of the internet as how-to videos, and online blogs have pushed it as an easy way to make your penis larger. Jelquing refers to penis massage with a hand-over-hand motion to push blood from the base of the penis to the head [4].

While there are many anecdotal reports online that jelquing is an effective way to increase penis size, no scientific studies have ever concluded that the technique works. Proponents of jelquing claim that regularly stretching and pulling the penis will make the tissue fill with blood, causing it to permanently swell. However, basic penis anatomy contradicts this idea, since the penis is an organ and not a muscle that you can alter or strengthen with penis enlargement exercise. There’s also the risk of penile damage with jelquing, since this technique may lead to irritation, blood vessel tears, scar formation, bruising, pain, and desensitization of the penis [6].

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Penis Extenders and Traction Devices

Penis extenders and traction devices are other options often advertised to make your penis bigger, and they are designed to stretch the penis by exerting traction on it. One small study done on 23 men saw a small increase in both flaccid penile length and stretched penile length after using a penile extender [7]. Another small study on 15 patients saw more significant gains in length after six months of using penile extenders, along with improvements in erectile function [8]. It’s important to note that both of these studies are very small, and while they look promising, further studies on penis extension and penis stretching are needed.

Vacuum Pumps

Vacuum pumps are often used to treat erectile dysfunction because they draw blood into the penis, causing it to swell. Some men have tried to use vacuum pumps to increase size, but routinely using a penis pump or using it longer than typically used to treat ED can result in damage to the elastic tissue of the penis, resulting in less-firm erections. Although a vacuum pump may create the illusion of a larger penis at the time, the results are not permanent [4].

Priapus Shot

Platelet-rich plasma (PRP) has been used clinically in humans since the 1970s, and the healing properties of PRP have been attributed to the secretory proteins and autologous growth factors that may enhance the healing process at a cellular level. It’s also been found to enhance the differentiation, recruitment, and proliferation of cells that are involved in tissue regeneration [9]. Through the years, researchers have found many different uses for PRP, studying it in the skin healing process [10][11] and as a symptom- and disease-modifying treatment for osteoarthritis [12].

In recent years, researchers at the University of California School of Medicine injected the penis of diabetic rats with adipose tissue-derived stem cells, and the results were the improvement of erectile function as well as an altering of the microarchitecture of the corpus cavernosum with an increase in the number of endothelial cells in this area [13]. Simply put – the rats had harder erections and more tissue. It’s thought that the growth factors caused this improvement, and these are the same types of growth factors found in PRP injections.

The success of PRP injections led to the cosmetic industry adopting the use of PRP for various specialized cosmetic treatments, such as the Vampire Breast Lift, Vampire Facelift, Vampire Facial, and the Priapus Shot. Certain doctors offer the Priapus Shot as a method for increasing penis size and improve erectile function. The procedure involves drawing blood from the arm, using a centrifuge to separate platelets, making those platelets think the body has been injured, so they release growth factors, and then injecting this liquid into the penis with a small needle. While you can find satisfied testimonials of men who have had the Priapus shot, no actual studies have been done to back up the idea that these shots offer effective, long-term results.

Hyaluronic Acid Injections

Another injection option to consider if you want to make your penis bigger is hyaluronic acid injections, which involves injecting stabilized, hyaluronic acid-based non-animal gel into the penis. One study assessed patients who underwent either hyaluronic acid shots or lipofilling, looking at the charts of 83 patients who underwent one of these treatments for penis enlargement. Studies showed that all patients saw an increase in penis length of between 1.8-3.6 centimeters and the patients treated with hyaluronic acid had no complications [14]. While this study showed good results, more studies are necessary.

Surgical Intervention

For men trying to figure out how to get a bigger penis, innovative surgical techniques for lengthening the penis and enhancing girth have sparked interest. Male genital corrective surgery is becoming a more popular request by patients, but there’s not a lot of long-term data and patient-related satisfaction details surrounding surgical intervention as a method for penis enlargement [15]. Penile elongation surgery is an option for restoring the penis to functional size for satisfactory sexual intercourse, although it’s generally only recommended as a treatment for micropenis [16]. Currently, reputable medical organizations do not endorse surgical intervention for purely cosmetic reasons [4].

Other Options

Herbal remedies, Kegels (pelvic floor exercises — learn more here), and exercises have all been mentioned as potential ways to make your penis bigger. However, we’ve searched and searched for medical evidence that these techniques will work to grow your penis, but there’s simply zero, zilch, nada, no evidence. You may find lots of unverified anecdotes, which come from a sample size of one, but they simply cannot be trusted. After all, no one on the internet knows you’re a dog (or liar). We recommend that you avoid these techniques.

Changing the Appearance of Size

Although many of the common methods for penis enlargement either don’t work or have very little evidence to back them up, there are ways that you can change the appearance of size. The following methods won’t make your penis bigger, but they do have the ability to make your penis appear larger if you’re worried about size.

Losing Weight

For men who do have concerns about their penis size, doctors suggest that they start by losing weight. Although your penis won’t actually get bigger, losing weight can reduce this pad of fat around the pubic bone, exposing more of the penis and making it appear larger [17]. Even though it might not make your penis look longer, changes in your body can make it look that way.

You may even hear that losing 20-30 pounds will result in an extra inch of penis becoming visible or that being overweight hides up to 1/3 of your penis. While there no studies to back this up, it never hurts to lose weight and improving your health is good for your sex life, anyway!

Liposuction

As previously noted, gaining weight can result in the penis appearing shorter because the base becomes buried in fat. Liposuction may be used to reduce the pubic fat pad to make the penis appear larger [18]. Studies show that suprapubic liposuction is very safe and successful with minor or no complications when it is performed meticulously, and long with improving associated esthetic concerns, it may help improve self-esteem as well [19].

Trimming Pubic Hair

Pubic hair grooming in men has increased, with recent surveys finding that 50.5% of men surveyed reported regular pubic hair grooming [20]. While men groom their pubic hair for many different reasons, from regular hygiene to making oral sex easier, improved appearance and making the penis look longer were found to be fairly common reasons for male grooming. Trimming pubic hair, particularly around the base of the penis, may give you the appearance of a larger penis.

Preventing Shrinkage

If you’re worried about how to get a bigger penis, it’s also a good idea to learn about issues that can cause penis shrinkage and learn how to prevent them. Certain medications, surgical procedures, and medical conditions have the ability to result in shrinkage. Here’s a look at some of the potential causes of shrinkage and what you can do to prevent it.

Medications and Treatments

Medications and treatments that have been linked to penis shrinkage include:

Androgen Deprivation Therapy – Androgen deprivation therapy is used to eliminate as much testosterone as possible in the body to treat prostate cancer. This may be done with GnRH or LHRH agonists, which reduce the amount of testosterone in the body or with anti-androgens, which block the use of testosterone by cancer cells. Unfortunately, the reduction of testosterone can cause genital shrinkage [21]. While other treatments are available if you’re worried about shrinkage, it’s important to weigh the pros and cons with your medical professional when making a decision.

Prostate Cancer – Prostate cancer itself and the various treatments for it can result in changes in sexual function. We already mentioned how treatments that lower testosterone can result in shrinkage, but shrinkage can also be caused by tissue damage that occurs during surgery for prostate cancer [22]. Some studies on men conducted after radical prostatectomy found that penis size significantly decreased after this surgery [23]. However, studies have found that vacuum erectile devices may prove helpful for penile rehabilitation after surgery and may help preserve penile size [24].

Propecia – One study published in the Journal of Sexual Medicine found that in male rats who were given oral finasteride treatment (Propecia), over four weeks there was a 25.9% reduction in the weight of the corpora cavernosa (penis) [25].

After Penis Implant Surgery

If you think that penis implant surgery may be the answer to your quest to make your penis bigger, the opposite can actually be true. Following the implantation of a penile prosthesis, some couples have reported dissatisfaction with penile girth and length. While penis implant surgery may improve penile rigidity, but it may confound a couple’s satisfaction with penile size to variable degrees [26]. Another review found that loss of penile size is a common complaint after penile prosthetic implant surgery, and pre-insertion, intraoperative, and post-insertion strategies are recommended to address these issues to reduce dissatisfaction with size after penis implant surgery [27].

Male aging can cause changes in libido and erectile function, and one study found an association between age, testosterone deficiency, and cavernosal fibrosis (shrinkage of the penis). Although the link is tenuous, it still is there, and the study concluded that further studies are needed to determine whether testosterone treatment, alone or along with PDE5 inhibitors (such as Viagra) may reduce the risk of cavernosal fibrosis [28].

Treating Erectile Dysfunction

Men dealing with erectile dysfunction (ED) have a higher risk of dealing with penile shrinkage. One study that included 1,027 adult men looked at normal adult men and ED patients with no differences in height, race, weight, and age. The ED patients have a significantly shorter penis length, showing an association between ED and shrinkage [29]. Another case-control study also found that both diabetic and nondiabetic men with ED dealt with a decline in penile dimensions, and the decline was even more prevalent in diabetic patients [30]. Working with your doctor to find an effective treatment for ED may help prevent shrinkage due to ED, and if you have comorbidities like diabetes along with ED, effectively managing both may be important to prevent a decline in penile dimensions.

Treating Peyronie’s Disease

Peyronie’s disease refers to an abnormal curvature of the penis that is caused by scar tissue, also called a plaque, in erectile tissue [31]. Peyronie’s disease has the ability to make your erection shrink or become deformed. Prompt treatment for the disease is important and can include treatments like vitamin E, steroids, collagenase, and verapamil. In some cases, surgical intervention is required, although conservative therapies should be exhausted before turning to surgical procedures [32]. Other studies have found that administration of these ED medications for penile fibrosis is not only safe, but these medications have anti-fibrotic properties that may relieve fibrotic plaques in localized and widespread fibrosis in penile tissue [33].

Congenital Chordee

Congenital chordee is a bending of the penis that is particularly noticeable during an erection. This condition may make it seem like the penis is shrinking when you get an erection. Since an erect, straight penis is necessary for sexual function, if it inhibits sexual function it may need to be corrected surgically [34].

Erectile Dysfunction Medications for the Management of Penile Shrinkage

Penile shrinkage can occur for many reasons, many of which we’ve discussed, such as prostate cancer and surgery, erectile dysfunction, Peyronie’s disease, or perhaps even aging. In some cases, the use of PDE5 inhibitors, which are erectile dysfunction medications like Viagra, may be used to treat shrinkage. For example, in men dealing with shrinkage due to testosterone deprivation therapy, erectile dysfunction drugs like Viagra, Levitra, and Cialis may be used to manage shortening of the penis by increasing the blood flow to the tissue [22].

While some believe that PDE5 inhibitors should be used off-label for penis enlargement, there’s currently little evidence to support this idea, although these medications are currently used to manage penile shrinkage related to multiple medical causes. We need to perform more studies to discover if Viagra make you bigger.

Other Tips

Other tips for preventing penis shrinkage such as stopping smoking and optimizing blood flow to the penis may not have a lot of studies to back them up, but we do know there’s a relationship between healthy blood flow and sexual health. Taking measures to maintain blood flow throughout the body, which includes quitting smoking, may not specifically prevent shrinkage but can promote overall sexual health and wellness.

You might also consider aids to use during sex if other methods of making your penis bigger have failed or unsuitable for you. The two main aids to use are cock rings

Cock Rings

Cock rings are sex toys that prevent blood from leaving your penis, leading to a stronger erection. Some people think this makes a penis look (and feel!) bigger. Although, it doesn’t actually make your penis longer or thicker. Learn more in this post about cock rings.

Penis Sleeves, Prosthetic Penis Attachments, Sheaths and Extenders

The extenders we’re discussing here are not like the devices mentioned above that are used for penis extension. Instead, these tools, usually made from realistic materials, are worn on the penis during sex and make you feel bigger to your partner without changing the size of your penis. They can add a bit of girth and length if they’re the style that are closed at the end (some are shorter than a penis and remain open).

Many of these fit onto your penis with a strap that goes around your balls. A few can be worn as strap-ons for added security.

The one drawback of prosthetic penis attachments is that you won’t directly feel your partner’s vagina or anus, and they will not be able to feel your penis. Sleeves and sheaths might have textures that are designed to be stimulating for your partner, however.

Sex Educator Michael Castleman discusses how women really feel about penis size at Psychology Today.

Frequently Asked Questions About Penis Enlargement:

FAQ #1 – What’s the correct way to measure my penis?

Most men don’t really know how big they are, and the average male feels that he’s below average in size. The best way to assess your penis size accurately is to learn the correct way to measure your penis.

To measure your relaxed flaccid length, measure right after undressing, since a warm or cold room may cause expansion or shrinkage. Measure while standing using a flexible ruler. Position the tip of the ruler right at the point where your shaft meets your abdomen. Bend the ruler along the shaft and read the length. The average flaccid length is about 3.43 inches.

To measure your erect length, measure immediately after you become completely hard. Measure along the top of the erection from the base of your shaft to the very tip. The average erect length is about 5.03 inches.

You can also measure your girth while erect. A cloth tape measure should be wrapped around the penis at the base to get this measurement. The average is 5.14 inches around [35].

FAQ #2 – Are there positions that work better for men with a smaller penis?

If you’re worried about satisfying your partner with an average or smaller penis, you’ll be happy to know that most of the vagina’s nerves are located on the outer third of the vagina, which is why you can finger a woman to orgasm (more here). If you have an average size penis, you can target this area by entering from on top while your partner lies with her legs flat on the bed. It reduces the depth of penetration and puts more tension on the vaginal lips, improving stimulation for both of you.

Remember that not every woman likes deep penetration, to begin with.

If you’re shorter than average, you still have options to please your partner and enjoy sex yourself. Riding high bringing the base of the penis against the clitoris while grinding against the pubic bone instead of thrusting can work well for you. This focuses on the rocking motion, and it won’t matter how long or short you are when you’re not thrusting.

If girth is an issue for you, you may feel like you’re not getting enough sensation during penetrative sex. Having her lie flat on the bed with her legs together or tucking her legs against her chest can tighten the vaginal canal, resulting in extra friction for both of you [35].

FAQ #3 – When is it necessary to get treatment for penis size?

In most cases, treatment for penis size is unnecessary, but it is necessary for men who have what’s known as a micropenis. A micropenis is a medical term that refers to penises that are less than 2.8 inches long when stretched and it’s thought that only 0.6% of men are affected by this condition [2].

However, even if you have a micropenis or one that’s a little thinner or shorter than you’d like, you can still be an excellent lover. Check out the Bad Boys Bible to pleasuring a woman.

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FAQ #4 – How can I decide if penis enlargement surgery is right for me?

Surgery simply for aesthetic reasons is not recommended as a method of penis enlargement. If you want to make your penis bigger because you’re dealing with self-esteem issues, undergoing penis enlargement surgery may not resolve the problem. In many cases, if you’re dissatisfied with your penis size, therapy may be a more useful way to address the problem [1].

FAQ #5 – Are women really concerned about penis size?

You might be more worried about your penis being too small than your partner is — similarly to how many guys think they need to last longer in bed than women prefer.

Overall, most studies seem to conclude that women are not overly concerned about penis size. In fact, some studies have reported that 84% of women are very satisfied with the size of their partner’s penis size [36]. In another questionnaire on penis size, 55% of women responded that the length of the penis was unimportant and 22% responded that penis length was totally unimportant. Their opinions about penis girth followed the same trend, although length was found to be less important to women than girth [37].

This doesn’t mean that you should want to make your penis thicker, however, or that your partner is dissatisfied. When Cosmopolitan polled readers, 89% responded that they were unconcerned with their partner’s penis size. Remember that of the 11% who may be concerned, some of them might think their partners are too big.

If your penis is too big, it can make some positions uncomfortable and even hurt your partner.

Most women require clitoral stimulation to orgasm, anyway.

FAQ #6 – What are penile dysmorphophobia and small penis anxiety?

If you’re interested in how to make your penis bigger, you’re not alone. However, most men that seek penile elongation treatments actually have a normal penile size. If you worry about the size of your penis despite having adequate length, you could suffer from dysmorphophobia disorder (PDD) or small penis anxiety (SPA). Both of these disorders involve men underestimating the size of their penis while overestimating the average penis size for other men. PDD lies within the body dysmorphic disorder spectrum while SPA is an anxiety syndrome that’s pertinent to the genitals [38].

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September 17, 2018

Just to say that I have Peyronie and I’m young (34) and Vitamin E did the trick.

Thanks for your website, keep it running!

My age is 19 and my penis size is 5.12 inches so is it better or not