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), recurring, success story, and resource.
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"
116 posts
#2
Personal Experience(s)
: "Low vitamin D and what i noticed"
51 posts
#3
Recurring
: "Share Your Progress & Discuss Adjacent Topics"
5 posts
#4
Success Story
: "50 points up in 8 weeks! I refused to follow my PCP’s 50k weekly prescription and ran my own protocol instead. I can’t believe they’re still prescribing D2 these days."
4 posts
#5
Resource
: "D-Fine is now on the App Store: thank you to everyone who beta tested (and yes, the 10,000 IU slider is in)"
4 posts
#6
Research
: "I'm gonna go ahead and reduce my vitamin D intake"
2 posts
#7
Empirical Discussion
: "What form of magnesium is best for relaxation besides bisglycinate?"
1 post
Member Growth in r/VitaminD
Yearly
+6k members(45.8%)
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About
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Last updated: August 9, 2026