r/VitaminD is a subreddit with 19k 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 empirical discussion.
Discussion of the sunshine vitamin, deficiency, and supplements. SEE RULES BEFORE POSTING.
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
: "Anyone with gut issues and severe anxiety and vision issues"
72 posts
#2
Personal Experience(s)
: "From 19 ng/ml to 81 ng/ml in 2 months! "
23 posts
#3
Recurring
: "Share Your Progress & Discuss Adjacent Topics"
6 posts
#4
Resource
: "Quickstart Guide For Treating Vitamin D Deficiency"
3 posts
#5
Empirical Discussion
: "Why is cholecalciferol (vitamin D3) used so much more commonly than calcifediol (25-hydroxyvitamin D)?"
1 post
#6
Research
: "One possible theory for why some react harshly to vitamin D"
1 post
Member Growth in r/VitaminD
Yearly
+6k members(47.6%)
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About
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Last updated: September 3, 2026