Testosterone Levels and Penis Size – Should you be concerned?

When it comes to the male appearance, the size of your baby maker is probably as important to you as a nice thick pair of biceps to use on it (21 times per month is healthy apparently).

But do your testosterone levels affect penis size?

You’d believe that Testosterone (as the predominant male sex hormone) surely has some impact on how big your pork sword can grow…

However, in the world of ding dongs and hormones, all may not be as clear cut as that.

Why? Well, whilst your sex organs are hugely impacted by your hormones, the size of your tally whacker isn’t really.

(If you’ve not already noticed…we’re trying to cram as many alternatives for ‘penis’ in as we absolutely can, it gets weird towards the end as you will have noticed)

What is Testosterone?


We’re sure you already know a little about the androgen hormone, testosterone, and what it does. But here’s a quick refresher.

Testosterone is basically a naturally occurring steroid that controls your masculinity. It plays a key role in sperm count, muscle mass and even libido.

It’s released from the Leydig cells in your cojones and starts being produced during puberty – when the boy becomes a man.

Now, in terms of testosterone levels; until puberty you have around the same amount as a girl. Some guys we know probably still do at 32…

Stages to Penis Growth

This sudden release of testosterone causes the development of masculine features. First comes the testes, then comes increases in muscle mass.

All this is followed by, and here’s the important bit, the growth of your love muscle.

The final stage of development is the girth – before your 100% all beef thermometer reaches full size and you are a man (normally around age 18).

Testosterone Levels and Penis Size

You’ve come out of puberty. Your bush is plump and your voice has deepened.

As for your bobby dangler, growth has stopped.

Now, if you’re reading this hoping that increases in testosterone post puberty will make your D grow even more we have disappointing news.

The purple headed soldier you see, is the purple headed soldier you get for life – the guy who’ll be plunging into all your conquests for you.

Frustrated? Yeah, it can be annoying when the guy in the urinal next to you is wrestling his anaconda with both hands.

But all isn’t exactly lost, as the old expression goes – ‘It’s not the size of your cock rocket, but how you use it.’ Or something like that anyway.

With that in mind, let’s find out when the fate of your pecker was chosen…

When is Your Penis Size Decided?

So, if you’re not entirely happy with the way things turned out, there isn’t much that can be done.

Turns out that the size of your one eyed worm was decided when you were developing as a fetus.

A study found that children who were exposed to low testosterone in the womb were born with a condition called…wait for it…micropenis [1].

This condition was prevented when the infants were given specific steroids and they developed properly through puberty.

Don’t be Sad Bro

We know that we might’ve disappointed a few people with this news. But all is not lost.

Testosterone still does play a huge part in libido, muscle size and erection quality.

Size really isn’t everything – unless we are talking about gains, then it kind of is.

But unless you’re wanting to go around flopping your yogurt slinger out in the gym changing rooms, who really cares?

More testosterone = more man. More man doesn’t always = more penis. 

How do you boost testosterone?

According to SCIENCE – Train with heavy weights.Train harder. Sleep more. Eat better. Train with heavier weights. Drink more water.

If that doesn’t quite work, you could always take a look at a natural testosterone booster.

Remember though, this won’t grow the trouser snake, but it will pack on muscle and get your bald headed yoghurt slinger raring to go.



  1. Bin-Abass, B et al. Congenital hypogonadotropic hypogonadism and micropenis: effect of testosterone treatment on adult penile size why sex reversal is not indicated. J Pediatr. 1999; 134(5): 579-83

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