---
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 4"
url: "https://j4.phalloboards.info/forum/general-phalloplasty-discussion-archive/9912226-study-penis-getting-bigger-with-big-doses-of-vitamin-d.html?start=45"
date: "2026-08-06T22:29:54+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 [\#1307043814](#1307043814)

- **[think](https://j4.phalloboards.info/forum/user/5799362-think.html "View think's Profile")**
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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)

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

   7 years 8 months ago [\#1306687477](#1306687477)

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 Also, more than one participant gained over an Inch in Girth. Over an Inch in Erect Girth ( including gains of STRETCHED Flaccid length) and you think this is attributable just to increased blood flow? Doubtful.

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