r/VitaminD is a subreddit with 20k members. The community frequently discusses vitamin d, deficiency, levels, symptoms, and supplementation, and they frequently recommend/review vitamin and sleeping pills, and the most common flair used is please assist, personal experience(s), recurring, resource, and success story.
Discuss vitamin D deficiency, optimal levels, sunbathing, and supplements. Check out the guide on our wiki.
Popular Topics in r/VitaminD
#1
Vitamin D
165 posts
#2
Deficiency
53 posts
#3
Levels
47 posts
#4
Symptoms
39 posts
#5
Supplementation
28 posts
#6
Struggling
14 posts
#7
Magnesium
14 posts
#8
Supplements
12 posts
#9
Vitamin D Levels
10 posts
#10
Low Levels
6 posts
Products Discussed in r/VitaminD
Vitamin
11 reviews
#1
Dr. Berg
4.0★ from 2 reviews
#2
Sports Research
5.0★ from 1 review
#3
Bestvite
5.0★ from 1 review
Sleeping Pills
1 review
#1
Melatonin
3.0★ from 1 review
Flair Used in r/VitaminD
#1
Please Assist
: "Prolonged Vitamin D Deficiency for Years – Looking for Advice and Understanding"
24 posts
#2
Personal Experience(s)
: "My Vit D3K2 Experience from Deficiency to 90ng/ml"
6 posts
#3
Recurring
: "[r/VitaminD Megathread] Updates & General Wellness Discussion"
3 posts
#4
Resource
: "Top Vitamin D researcher and pioneer: Dr. Michael Holick, 2026 interview"
1 post
#5
Success Story
: "Increased from 10mcg to 37mcg in 2 months with horrible Vitamin D intolerance."
1 post
#6
Research
: "Looking for a UV-A,B, IR - Radio Spectro Meter (a cheap one)"
1 post
Member Growth in r/VitaminD
Yearly
+7k members(52.6%)
Similar Subreddits to r/VitaminD
r/Anemic
53k members
66.0% / yr
r/b12deficiency
506 members
24.3% / yr
r/B12_Deficiency
24k members
51.3% / yr
r/Biohackers
923k members
38.7% / yr
r/BrainFog
36k members
22.2% / yr
r/HistamineIntolerance
43k members
35.5% / yr
r/magnesium
15k members
35.3% / yr
r/nutrition
5.9M members
1.1% / yr
r/Supplements
627k members
30.8% / yr
r/vitamins
15k members
72.0% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/VitaminD, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: October 27, 2026