---
title: "Study: Penis getting bigger with big Doses of Vitamin D - PhalloBoards - Phalloboards"
description: "So i guess this is a bullshit study, but here:... - Page 3"
url: "https://j4.phalloboards.info/forum/general-phalloplasty-discussion-archive/9912226-study-penis-getting-bigger-with-big-doses-of-vitamin-d.html?start=30"
date: "2026-08-06T22:29:48+00:00"
language: "en-GB"
---

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#  TOPIC: Study: Penis getting bigger with big Doses of Vitamin D

##  Re: Study: Penis getting bigger with big Doses of Vitamin D

   7 years 8 months ago [\#1306256298](#1306256298)

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 I can't comment on the study but I can comment on taking high doses of vitamin D. Don't do it!

I had low vitamin D with symptoms of fatigue and low mood, and a doctor prescribed vitamin D but accidently prescribed too high an amount. The first it was picked up that the prescription was too high was when my kidney function was severley impaired. It's about 2 years later now and my kidney function is still way lower than it should be.

Luckily it was picked up quite quickly and a kidney biopsy suggests superficial damage rather than scar tissue, but the recovery has taken 2 years already and still a long way to go, assuming my kidneys ever fully recover.

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##  Re: Study: Penis getting bigger with big Doses of Vitamin D

   7 years 8 months ago [\#1307044778](#1307044778)

- **[think](https://j4.phalloboards.info/forum/user/5799362-think.html "View think's Profile")**
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> those gains are possible with the increased blood flow of a pump.

 LOL.
> Have you ever used one?? Don't talk about things you don't know about.

 Uh, let's see... first time I used my VacuTech as part of a regular PE routine was over 10 years ago when I was on Thunder's place.... last time I used it was this morning.

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##  Re: Study: Penis getting bigger with big Doses of Vitamin D

   7 years 8 months ago [\#1307043245](#1307043245)

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> Forget peer review, I can't think of an explanation as to why it was so successful, yet not attempted or replicated even once in the past 10 years. Same for the one done in 1995 (10 min stretching, 30 min pumping, 16 weeks with significant length and Girth gains).

1.) penis enlargement is a niche field.
2.) it is not a medical emergency
3.) all of the reasons why I suggested it wasn't peer reviewed also explain why it was not replicated.

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##  Re: Study: Penis getting bigger with big Doses of Vitamin D

   7 years 8 months ago [\#1306242998](#1306242998)

- **[Dream](https://j4.phalloboards.info/forum/user/4492370-dream.html "View Dream's Profile")**
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 I took k1 + k2 just because it was combined in this supplement that i happened to buy

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##  Re: Study: Penis getting bigger with big Doses of Vitamin D

   7 years 8 months ago [\#1307044538](#1307044538)

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> I wasn't even talking about your reasoning why it's not peer reviewed. What I don't buy are the are that guys gained an average of 0.67" in length and 0.55" inches in Girth from "vigorous stretching massage for 10 minutes, followed by the application of a vacuum pump for a period of at least 30 minutes for 16 weeks". You seriously think we should buy that? You are aware that there have been numerous clinical studies done on extenders, and some on pumping that demonstrated nothing remotely close to this claim aren't you? Guess what, it's never going to be replicated.

seriously think we should buy those results from a different study which sought to enlarge the penis through an entirely different means..?? I don't know what to make of what you're saying.
you don't seem to think a lot, think.

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##  Re: Study: Penis getting bigger with big Doses of Vitamin D

   7 years 8 months ago [\#1306237376](#1306237376)

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Yea, this study basically cannot be not bullshit. -&gt; i mean the study surely is Bullshit (99.999%)

---

Side effects of too much Vitamin ![D:](https://j4.phalloboards.info/angry.gif "D:")
Elevated Blood Levels. ...Elevated Blood Calcium Levels. ...Nausea, Vomiting and Poor Appetite. ...Stomach Pain, Constipation or Diarrhea. ...Bone Loss. ...Kidney Failure.
> Although a vitamin D level of 30 ng/ml (75 nmol/l) is typically considered adequate, the Vitamin D Council recommends maintaining levels of 40'80 ng/ml (100'200 nmol/l), and states that anything over 100 ng/ml (250 nmol/l) may be harmful (6, 7).Despite the fact that more people are now taking vitamin D supplements, it's rare to find someone with very high blood levels of this vitamin.One recent study looked at data from more than 20,000 people over a 10-year period. It found that only 37 people had levels above 100 ng/ml (250 nmol/l). Only one person had true toxicity, at 364 ng/ml (899 nmol/l) (![8)](https://j4.phalloboards.info/media/kunena/emoticons/2.png "8)").In one case study, a woman had a level of 476 ng/ml (1,171 nmol/l) after taking a supplement that gave her 186,900 IU of vitamin D3 per day for two months (9).This was a whopping 47 times the generally recommended safe upper limit of 4,000 IU per day.The woman was admitted to the hospital after she experienced fatigue, forgetfulness, nausea, vomiting, slurred speech and other symptoms (9).Although only extremely large doses can cause toxicity so rapidly, even strong supporters of these supplements recommend an upper limit of 10,000 IU per day (3).
>
> A daily intake ranging from 40,000'100,000 IU (1000'2500 micrograms), for one to several months, has been shown to cause toxicity in humans (14, 18, 19, 20, 21).

[ www.mayoclinic.org/healthy-lifestyle/nut...oxicity/faq-20058108](https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/expert-answers/vitamin-d-toxicity/faq-20058108)> Taking 60,000 international units (IU) a day of vitamin D for several months has been shown to cause toxicity.

---

So 10 000 IU daily for long term seems to be upper limit And i guess 20 000 iu daily for 1 month is ok. Especially in the winter. Anyway, so i bought this,
so i will do this for a month, i want to take vitamin D anyway in the winter

22.11:
Vitamin D3 20 000 iu
Vitamin K1 1000ug
Vitamin K2 (MK4) 1000ug
Vitamin K2 (MK7) 200ug

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##  Re: Study: Penis getting bigger with big Doses of Vitamin D

   7 years 8 months ago [\#1307039426](#1307039426)

- **[think](https://j4.phalloboards.info/forum/user/5799362-think.html "View think's Profile")**
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> I would like to offer a potential explanation as to why this study was not peer reviewed .

 Forget peer review, I can't think of an explanation as to why it was so successful, yet not attempted or replicated even once in the past 10 years. Same for the one done in 1995 (10 min stretching, 30 min pumping, 16 weeks with significant length and Girth gains).

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##  Re: Study: Penis getting bigger with big Doses of Vitamin D

   7 years 8 months ago [\#1306456014](#1306456014)

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 How's it going Dream?

Just to give you an update.
I'm not going to post measurements because I have 15+ years of hardcore PE including DHT and HCG and I'm almost in my 40's.

I'm started taking 10000ui + K2 daily 2 weeks ago.
Great mood, good Flaccid and brutal erections, I'm doing this every winter if no side effect come up.

It's exactly I needed because for years I cycled Gingko, Ginseng and Tongkat for a full Flaccid and Erection purposes but I had to stop due to sleeping problems.
We all react different to substances, for example zinco and magnesium do nothing for me! but vitamin D+k2 wow I'm loving it.

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##  Re: Study: Penis getting bigger with big Doses of Vitamin D

   7 years 8 months ago [\#1307044560](#1307044560)

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> I wasn't even talking about your reasoning why it's not peer reviewed. What I don't buy are the are that guys gained an average of 0.67" in length and 0.55" inches in Girth from "vigorous stretching massage for 10 minutes, followed by the application of a vacuum pump for a period of at least 30 minutes for 16 weeks". You seriously think we should buy that? You are aware that there have been numerous clinical studies done on extenders, and some on pumping that demonstrated nothing remotely close to this claim aren't you? Guess what, it's never going to be replicated.

those gains are possible with the increased blood flow of a pump. Have you ever used one?? Don't talk about things you don't know about.
Inflammation/increased blood flow could definitely cause those gains, regardless of if they are permanent or not.

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##  Re: Study: Penis getting bigger with big Doses of Vitamin D

   7 years 8 months ago [\#1306241244](#1306241244)

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 it seems a very weak study and very low quality paper not published in any journal...

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##  Re: Study: Penis getting bigger with big Doses of Vitamin D

   7 years 8 months ago [\#1306458335](#1306458335)

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> AD55 wrote:
> Just to give you an update.
> I'm not going to post measurements because I have 15+ years of hardcore PE including DHT and HCG and I'm almost in my 40's.

Sorry for offtop in this thread, but may I ask you: what do you gained for 15 years of PE? What's your starting and current stats?

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##  Re: Study: Penis getting bigger with big Doses of Vitamin D

   7 years 8 months ago [\#1307043814](#1307043814)

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> 1.) penis enlargement is a niche field.
> 2.) it is not a medical emergency
> 3.) all of the reasons why I suggested it wasn't peer reviewed also explain why it was not replicated.

I don't buy it. You have tons of guys on thunders, pegym, and here who would volunteer to do a small trial for free ... in fact, they're already trying all those things and more ... and nobody's gaining 0.5" Girth from pumping for 16 weeks.

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##  Re: Study: Penis getting bigger with big Doses of Vitamin D

   7 years 8 months ago [\#1307561706](#1307561706)

- **[AD55](https://j4.phalloboards.info/forum/user/6365812-ad55.html "View AD55's Profile")**
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 Just to let you guys know my experience.

After 1 month taking 20000IU + K2 (100mg) daily I had to stop.
It didn't bother me that I started getting up at night to pee, and I even pushed through a week of stomach discomfort and some dizziness, but it increased to the point of nausea and at night I woke up with abdomen pain. I stopped 3 days ago and all symptoms are now gone.

That's how it went for me, every one is different, it may work for you.

I'm in my late 30's, weight 150 lbs and body fat below 10% probably relevant since vitamin D is stored in fat..
I'm very healthy, no bad habits, stress free..

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##  Re: Study: Penis getting bigger with big Doses of Vitamin D

   7 years 8 months ago [\#1306474220](#1306474220)

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> AD55 wrote:
> Sure, I went for 14cm BPEL to 16.5 on a good day, never measured the Girth but it increased in proportion with length mainly from mid shaft forward aka baseball bat shaped penis.

Thanks for the answer. That's some real experience I guess. You have spent 15 years for a 1 Inch gain. That's opposite of what some scammers writing on PE boards, when they claims about 1-2 Inch gain for a period of 1-2 years.

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##  Re: Study: Penis getting bigger with big Doses of Vitamin D

   7 years 8 months ago [\#1306139121](#1306139121)

- **[indiano123](https://j4.phalloboards.info/forum/user/4089166-indiano123.html "View indiano123's Profile")**
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> randomword1234 wrote: You can overdose from taking that much daily, it's a fat soluble vitamin

 .

But didn't everyone in the study take it daily? I also read that there wasn't much risks taking it does it mean that they lied?

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