r/VitaminD is a subreddit with 18k 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), resource, research, and recurring.
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
: "Vitamin D went from 11 to 100, now back to 32. How do I prevent another deficiency?"
43 posts
#2
Personal Experience(s)
: "Could 30 ng/ml cause severe brain fog, fatigue, insomnia?"
15 posts
#3
Resource
: "Libido estremamente bassa e correlazione con vitamina d"
3 posts
#4
Research
: "I'm gonna go ahead and reduce my vitamin D intake"
2 posts
#5
Recurring
: "Share Your Progress & Discuss Adjacent Topics"
1 post
Member Growth in r/VitaminD
Yearly
+5k members(44.2%)
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About
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Last updated: July 29, 2026