Sunshine on Balls

This is going to sound really weird.

I bet a bunch of people are going to unsubscribe or write me off just because of it. But I don’t care.

I have to tell you the truth.

Vitamin D is critically important for your health. In fact, its not so much a vitamin but a hormone precursor.

And you get vitamin D from the sun. What most people don’t know is that’s not ALL you get from the sun. Other things are formed too.

That’s why, if you can, getting sun is more important than just supplementing with Vitamin D.


But I digress…

What people may not realize is that WHERE you get that sun might matter.

And specifically I’m talking about getting sun “where the sun don’t shine.”

Your testicles and even the scrotal skin is important for hormone production.

The testicles produce 95% of the testosterone in the male body. Yet they don’t get any respect.

Yet you couldn’t possibly want to get direct Vitamin D formation there, could you?

(Of course, don’t overdo it. I couldn’t think of a worse place for a bad sunburn!)

A study at Boston State Hospital showed that people exposed to UV light on their chest and back saw in increase of 120% to testosterone.

That’s pretty good.

But when the genitals were exposed to the same like testosterone production increased 200%!

As mentioned this may be because Vitamin D is not really a vitamin but a hormone precursor. So it makes sense.

As the testicles are where 95% of testosterone is produced, if you can localize your skin’s formation of D then you can see a direct increase.

So after hearing about this in my studies, like a good student, I had to give it a try.

There’s other people that live around me, so its not the easiest thing to pull off.

But I had to try. Sitting in my yard one day I pull my pants down slightly and let the sun shine…

What I saw next surprised the hell out of me?

My balls appeared to move of their own accord.

I watched in awe for a couple minutes, as they basically squirmed around.

I have NO clue about why this was, but the sunshine certainly seemed to be activating something.

Considering this may have been the first time since childhood my balls got direct sunlight, I shouldn’t be too surprised.

But if anyone gives this a shot and notices this effect let me know. I’d like to know I’m not crazy and the only one 🙂

Tanning your nuts…

Its just one of the weird, but possibly critically important pieces, of the testosterone puzzle that I cover in Upgrade Your Testosterone.

Just like it took me awhile to even try this one out, I don’t expect everyone else too.

The good news its not all weird. There’s lots of “normal” stuff in there too.

Make sure you pick up a copy here today.

Upgrade Your Testosterone

Note: After getting many comments down below I can confidently say a few more things.

  1. I am not alone. While the reason they balls appear to move, it’s kind of like they’re breathing is still unknown (no, it’s not just from the heat) this appears to happen for most guys.

  2. Also important for some, for whatever reason this practice appears to increase the size of the balls too.

  3. This absolutely does appear to be helping with testosterone production. Of course, it is one thing of many but in my latest blood results I came in with 992 ng/dL total testosterone and 1.2 ng/dL free testosterone. This was despite not having high enough vitamin D overall. There is always room for improvement. 

Sunshine on Balls was last modified: September 26th, 2017 by admin

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53 Responses to Sunshine on Balls

  1. Rich Cook May 29, 2015 at 2:35 pm #

    Thanks for “uncovering” this fact. I appreciate your willingness to discuss this, rather than shy away to keep visitors comfortable. That makes me trust your advice more, not less. Comfort doesn’t equal progress. I would be interested in reading the studies you mentioned. Where can I find them?

  2. Doug May 29, 2015 at 2:42 pm #

    How long should you expose your testicles to the sun for maximum benefit?

    • admin May 30, 2015 at 7:53 pm #

      Just like other exposure it will depend on the darkness of your skin. For pale people like me 15-30 minutes is suppose to be enough. For darker people an hour or so. Of course, with this area I would start on the low side.

    • josh March 13, 2017 at 11:48 am #

      three hours

    • Kevin Malcolm July 10, 2017 at 7:11 pm #

      10 -15 3 times weekly

  3. Makesi Gaither May 29, 2015 at 3:02 pm #

    Intetesting this makes a whole lot of sense”” if your son comes from there then activating it by the sun, it’s like a physical thing but beyond that it’s metaphysical.. Thanks Logan I’m inspired by your blog keep it up !

  4. Rick May 30, 2015 at 7:49 pm #

    So , hopefully most of us live near a nude beach…..

  5. Njama May 30, 2015 at 7:50 pm #

    Awesome and totally funny article. Thanks!

  6. Sol May 31, 2015 at 3:13 am #


    awesome revelation. of course, its not easy to pull off, esp. in certain countries where being unclothed is punishable by law, NOT just social surprise lol

    but yea, sunlight definitely does more than simply provide vitamin D. and considering modern science is still plodding around & so much good research gets buried / under-funded due to PATHETIC political / economic / cultural biases healthfully is waaaaay better trusted to individuals like yourself, who actually have best interests in mind.

    fictional Tarzan was practically naked. muscular + ripped to the bloody effing bone!! 😉

  7. Santiago Sanchez June 2, 2015 at 6:20 pm #

    What about wearing just some White or grey underwear how much sun will that let in compared to being underwearless

    • admin June 2, 2015 at 6:27 pm #

      Didn’t think of that. I would imagine some sunlight definitely gets through so it should work, just to a lesser degree.

  8. M.R January 22, 2017 at 2:19 pm #

    You’re clearly adhd (as am I)
    However i am not gonna unsubscribe due to this post, instead I’m not gonna subscribe in the first place!

    “I disgress” … I disgress… yeah i hate people who say that and for good reason.
    However I’m not gonna say reason, cause I’m an asshole that believes people who only copy information instead of such PLUS actually thinking, are try hards who deserve about as much respect as a pig learning english and say “yes i want to live in my own filth, don’t take that away from me, bro”

    Anyway, yay for posting topic which most are not aware of. (And the further positive implications that arise, even though you’re probably blissfully ignorant).

    So thanks for the post.
    I do suggest though, adjust your egotistical narcissistic nature.

  9. Pierre Aribaut March 19, 2017 at 1:36 pm #

    I do it sometimes, taking sun nude with testicles at sun in my flat (i live in spain) but i didn’t notice something moving, maybe i didn’t watch enough while i was taking sun 😉
    It’s hard to know the effect, for me taking sun, the only effect i feel is that i feel good after taking it (of course we don’t have to abuse, you’ll have to avoid sunburn, so just enough to feel good), and since years i don’t use solar cream because i think it’s better without for vitamin D synthesis, and for the chemical products inside suncream that i don’t trust.

  10. Matt March 23, 2017 at 5:25 pm #

    I have also experimented with exposing my testicles to direct sunlight and found that the scrotal sac responds with a kind of “wave-like “rolling motion that lifts and twists my gonads – -it is apparently directly due to the direct sunlight striking on my balls – -because when I shade them the movement stops immediately. Did also notice that my energy levels and libido increased dramatically the following day. Think this may be a good therapy to continue !

  11. Josh March 27, 2017 at 6:02 pm #

    Was not aware of any effect sunlight was having on my nuts until my girlfriend commented on how my low hanging balls seemed to be massaging themselves when we were laying naked together on a nude beach. She said it was fascinating to watch and enjoyed the “show” !! She also liked massaging my nuts when they were hot and loose from the sun – – -just saying !

    • Brett April 29, 2017 at 5:11 pm #

      Have noticed that guys who visit nude beaches on a regular basis seem to have larger than average ball sacs. Guess all that direct sunlight on the balls also helps them to grow larger. Glad that summer is coming so I can resume this therapy.

  12. Jake April 9, 2017 at 12:07 am #

    Balls move around because they are cooling down trying to reduce temperature b/c ball sack is always a little bit cooler than body temperature

    • admin April 28, 2017 at 2:37 pm #

      That can’t be it. Simple experiment: balls in sunlight vs. balls next to a heater.

  13. avalon April 23, 2017 at 10:39 am #

    Where is source? I heard already BS about red light exposure.

  14. David Dominick April 28, 2017 at 6:58 am #

    Great to know that Vitamin D is not really a vitamin but a hormone precursor. We need to work and do more research to get more benefits from Sun rays.

  15. avalon April 28, 2017 at 4:06 pm #

    I personally did notice that vitamin D from tablets or Sun increases sex drive. But why scrotum exposure works better at vitamin D/testosterone production? Maybe because skin is such areas is particularly sensitive to UV?

    • admin April 28, 2017 at 4:46 pm #

      Well, its not just about Vitamin D for one. Also it’s direct, whereas it needs to travel within the body to get there for other skin exposure or by taking supplements.

  16. BEN May 6, 2017 at 3:33 pm #

    Any updates?

    I just did this sitting at my computer, getting sun through the window (closed) with shades slighty open (I have a neighbor right next to me) so that they cannot see me naked getting the balls warm. MY BALLS DO MOVE !!!

  17. R Cowan May 18, 2017 at 2:18 am #

    I am sure ball movement when exposed to sun (heat) is because testicles and penis are temperature sensitive. That’s why, when you jump into cold water, you shrink, and balls get sucked up close to the body, to stay warm. Opposite is true when heat is applied. Balls drop and penis grows. Simple physics.

    • admin May 22, 2017 at 6:14 pm #

      You’re arguing from a theoritical idea you have, rather than actual experience. It’s not heat because they’d actually be warmer inside clothing then outside, yet they aren’t moving the same way then. Rather I believe it is some sort of photosensitivity. Besides the movement isn’t just towards or away from sun, but can be back and forth.

  18. Dale July 12, 2017 at 12:45 am #

    Ive been laying out naked for years and I recently started to wonder what effect the sun was having on my penis and balls so I did a search and came across this post. I thought I would share a little about my situation.
    Every summer I lay out by the pool naked to get a great tan. I lay out almost every day and my balls and penis get a great tan as the rest of me. I have noticed my balls moving around but never understood why, so today I did a little experiment. I layed out for about an hour and sure enough my balls moved around. After getting a little hot I jumped into the pool to cool down. When I got out I layed out but with my balls facing away from the sun. I gave it about 15-20 minutes to see if they would warm up and move after being in the cool water. And their was nothing. I turned back into direct sunlight to warm my balls up and as soon as I could feel the heat on them sure enough their was movement.
    I’m 50 years old and I can say I feel great with a lot of energy. Not sure if tanning my balls is the reason for this, but if it is I’m definitely going to continue getting out in the backyard naked and enjoy the sun as much as possible.
    I would also say that if you have never enjoyed the pleasure of just relaxing outside naked then your missing out on something great. I would suggest you find someplace reclusive that you feel comfortable barring all to the world or see if their are any nudist clubs near by.

    • admin July 12, 2017 at 3:58 pm #

      Thanks for sharing your experiment Dale!

  19. Nick July 18, 2017 at 7:14 pm #

    Find it interesting that now I live in a warm climate where I can sunbath often in the nude, my testicles have actually “increased” in overall size and always respond to movement when exposed to direct sunlight. I think there must be some benefit as my energy levels as well as my “libido” have increased dramatically from sunbathing nude.

  20. Todd July 19, 2017 at 5:51 pm #

    Recently visited Haulover Beach in Miami and can confirm that many of the guys sunning there in the nude had much larger than average scrotum sacs. Was kind of hard not to notice – – – an interesting experience for sure. Hope I can obtain the same results now that I have seen the evidence of sunlight exposure.

  21. Bill August 26, 2017 at 7:47 pm #

    I found this post because I was looking to see if anybody else has seen their testicles and testosterone increase with sunlight exposure.

    I have been consistently getting much bigger testicles after and during sun exposure. I did not even expose my testicles to the sun, but the area in the immediate vicinity. Wow! what a change!

    This post and other comments re-enforce my observation that the sun did increase my testosterone levels and the size of my testicles – they were bigger than ever.

  22. Paul August 29, 2017 at 6:12 pm #

    Have been sunbathing in the nude most days this summer and can see a definite increase in the overall size of my scrotum. Apparently there is a benefit from sunshine shinning directly on the testicles as others have noticed also. Kind of like having bigger balls!

  23. Nathaniel September 18, 2017 at 4:21 pm #

    Jeeze my balls move to. It’s kinda freaky to watch them squirm.

  24. Blake September 25, 2017 at 7:27 pm #

    Being a serious bodybuilder who is always seeking ways to improve my body, I was curious and skeptical of all these testimonials until I decided to find out for myself and expose my balls to sunlight and see what might actually happen. Can now confirm that my balls also responded immediately . I noticed definite movement of my nuts like a wave rolling motion. I repeated this experiment frequently over this past summer and now can confirm my ballsac is considerably larger and heavier. I like the results since I always wanted to have “low hangers”. Cool when others notice and comment on my big nuts now !

  25. jaime October 5, 2017 at 7:25 pm #

    yea same thing happened to and then some

  26. Michael October 5, 2017 at 7:50 pm #

    Fascinating thanks. Another experiment to try;)

    Something along these lines might have heard of is LLLT (low level laser therapy). Have a look at Dr. Michael Hamblin’s work or his book. (protocol in this context is basically using far infrared light to stimulate mitochondrial efficiency… and of course there’s plenty of mtc in your man plums;)

  27. Thomas October 6, 2017 at 1:42 am #

    There is a lot more you can do with your testicles to increase testosterone and Chi.

  28. Thomas October 6, 2017 at 1:43 am #

    Sounds like an interesting experiment to try. Now I understand that trying out a nudist colony may not seem so “crazy” after all.

  29. Jim October 6, 2017 at 6:29 am #

    I’ve never missed a chance to get naked under the sun. It just feels good. While I thought everybody’s balls moved around, it’s good to know I’m special that way. I guess that explains the size too. And here I was praising genetics! I always did it though, because I live in a very humid environment and direct sunlight will also help prevent/cure various itches and funguses that live among us here. Plus, that’s a good excuse to just get rid of those clothes and lie around under the trees or in a field.

  30. Paul October 26, 2017 at 7:54 pm #

    Hello All,

    This is a great article and I can testify over the last several months that I’ve noticed huge increases in Libido and the size of the scrotum even days after initial exposure. FYI, based on experience and what I know about Vitamin D production, you need the window open for it to have an effect preferibly with no screen or a loose screen.

    However I’m writing mainly because I have a question about Estrogen. I have no doubt the sunlight is significantly increasing my testosterone but can this cause an excess in aromatase activity (IE estrogen conversion)? I noticed some pain in the chest area a few weeks ago (gynecomastia) and I wonder if there is a connection. Has any of you had this issue? I also read that Vitamin D decrease aromatase which is responsible for converting testisterone to estrogen so I don’t rule out it being completely unrelated. I had an unrelated case of gyno in the past that improved over time so this is not the first time I am experiencing this symptom.

    Any input is appreciated.


    • admin October 26, 2017 at 8:10 pm #

      It coming from sunlight and therefore being natural, I imagine it would not be causing that issue. However, if other things are off, causing too much aromatase in your body, then it is plausible that the increased testosterone could become estrogen.

      • Paul October 26, 2017 at 8:46 pm #

        That was my initial reasoning. I know correlation does not equal causation. I take it you have not experienced this symptom which is telling.

  31. Rodney Robinson January 21, 2018 at 7:23 pm #

    I agree, I feel better since sunbathing nude. I’m in Spain and often get the opportunity to strip off. I’m a holistic therapist and interested in the health benefits of being naked in nature and ‘earthing’. I noticed also that I never get sunburn on my genitals even when lying out for hours a day and even when I need to put sun cream on the rest of my body I never put it on my genitals and I’ve never suffered any burning at all. It seems almost that I have some inbuilt protection against burning there. Have any other guys discovered this strange inbuilt ball protection?

  32. Scott January 26, 2018 at 10:14 pm #

    Love to sunbath in the nude and have also experienced testicle movement when sunlight is directly warming my groin. Interestingly I discovered that if I do kegel exercises while my balls are exposed to the sun that they respond with even more movement and I think this has been a factor in the considerable enlargement I have noticed in my nuts – -wondering if anyone else has had similar results ?

  33. Joe Everett February 8, 2018 at 6:31 am #

    Yo dog, I live in the Pacific Northwest. We don’t get much sunlight. Do you know anything about tanning beds like how long and frequency?

    Thank you

    • admin February 8, 2018 at 8:32 pm #

      Honestly, I haven’t investigated tanning beds, living in California and all. I know Dr. Mercola’s website has some good info on them though.

  34. Kelly February 16, 2018 at 2:33 pm #

    Has anyone tried the tan through swim trunks to mitigate privacy issues? I live in a Northern climate so there are no clothing optical beaches anywhere near. I am thinking about getting a pair to try so that I can take advantage of the sunlight when it’s available.

  35. Justin B. February 22, 2018 at 6:42 pm #

    I feel super relieved knowing I’m not the only one who’s balls start moving all around when exposed to sunlight. I truly thought I was crazy for a minute. My penis moves around a good amount too, it’s interesting. Great read, thank you!

  36. Pierre Aribaut February 25, 2018 at 4:20 pm #

    I make it sometimes, i don’t know If It really works for testosterone, but it makes feel good, it’s free and i guess it’s not risky if you don’t abuse. So why not do it ? Nothing to lose, just be careful with your neightbours 😉

  37. Phil March 2, 2018 at 8:14 pm #

    Hello you might want to read Valtsu’s blog about red light photobiomodulation, he explains the science behind how this works.

  38. Dr M March 3, 2018 at 8:42 pm #

    Nothing is better for your overall health than sunbathing nude and absorbing all the natural vitamin D available – -especially on your testicles. The Leydic cells in the scrotum will benefit from the direct sunlight exposure and hence become more efficient in the production of testosterone. Interestingly several studies have shown that with repeated exposure to sunlight those same leydic cells will actually grow and thus enlarge the entire scrotum size and weight.

  39. Terry March 17, 2018 at 3:52 pm #

    Think Dr M is confirming what most of the posted comments have been sharing.

    My bf is a devoted fitness enthusiast and naturalist, and also a long time advocate of nude sunbathing. Not only does he have a tremendous physique, but his testicles are incredibly enormous!

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