A high-quality penis sleeve can provide extra length and girth. “It can also be of help when a man has difficulty maintaining an erection. The problem with many sleeves [...] is that they are made of toxic chemicals and/or are porous, so they can hold bacteria and germs, even HPV. If a man is with multiple partners, these would not want to be shared. My client with lifelong ED swears by his silicone sleeve. Even with his penile implant, he says his wife enjoys the extra length,” says Yelverton.
Definitely yes, if you have a big or small penis is mostly defined by your genes. Sons of men with a large penis often have a large penis. Sons of men with a small penis often have a smaller penis. There are certainly exceptions, but in general genes are very dominant when it comes to erect penis size. From my own experience and research, genetics are the most dominant factor in size, environmental factors or lifestyle only have very limited to no effects.
There’s not much evidence that the food you eat can actually change the size of your penis. However, eating a healthy diet can improve blood flow, helping you achieve bigger erections. Losing belly fat can also help your penis look bigger. Stick to a diet rich in fruits, vegetables, and lean proteins. Avoid lots of high-fat foods, like cheese or fatty meat.
Another variation of the super-concentrated thrombocyte injection is the STIM shot, another term coined by Dr. Neavin. The STIM shot combines PRP injections with the application of a penis pump to apply negative pressure and create micro injuries in the tissue. This allows PRP to spread evenly throughout the penis and target the tissue with its reparative and rejuvenating properties.

Update 10/20/2019: A new metastudy done by scietists from Italy and the UK reviewed several non-surgical and surgical approaches to increase penis size and evaluated their risks. The results are fully in line with out own and support the statement that penis surgery and almost all of the devices and pums sold for enlargement present a high risk and very limited results.


Stretching with weights. Weights or stretching exercises won't bulk up your penis -- it's not a muscle. But hanging weights off your flaccid penis may stretch it a bit, O'Leary says. The catch is that it requires a freakish degree of dedication. "You might have to wear a weight strapped to your penis eight hours a day for six months," says O'Leary. At the end of it, you could be lucky enough to gain about half an inch. Risks include tearing of the tissue, burst blood vessels, and other problems.
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