r/B12_Deficiency

24k members
r/B12_Deficiency is a subreddit with 24k members. The community frequently discusses b12, symptoms, deficiency, injections, and struggling, and they frequently recommend/review multivitamin and needles, and the most common flair used is general discussion, help with labs, deficiency symptoms, supplements, and personal anecdote.
A forum for people to discuss vitamin B12 deficiency of all causes, including Pernicious Anemia.

Popular Topics in r/B12_Deficiency

#1

B12

194 posts
#2

Symptoms

132 posts
#3

Deficiency

115 posts
#4

Injections

85 posts
#5

Struggling

32 posts
#6

Advice

25 posts
#7

Supplements

23 posts
#8

B12 Deficiency

20 posts
#9

Iron

18 posts
#10

Anxiety

17 posts

Products Discussed in r/B12_Deficiency

Multivitamin

2 reviews
#1
Floradix
4.0★ from 1 review
#2
Smarty Pants
5.0★ from 1 review

Needles

1 review
#1
Amazon
4.0★ from 1 review

Flair Used in r/B12_Deficiency

#1
General Discussion
: "I knew there was something wrong"
34 posts
#2
Help with labs
: "treating B12 deficiency with chronic kidney disease"
14 posts
#3
Deficiency Symptoms
: "When did this all start. Weird Symptoms."
13 posts
#4
Supplements
: "Persistent dandruff, acne and hyperpigmentation, sleeplessness and twitching due to supplementing b12 nearly 2 years ago"
9 posts
#5
Personal anecdote
: "Wait...this has been my problem all along?!?"
8 posts
#6
"Wake up" symptoms
: "First shot - woah!"
8 posts
#7
Cofactors
: "Cofactor supplement recommendation"
4 posts
#8
Success story
: "I went to clinic learned to self inject"
3 posts

Member Growth in r/B12_Deficiency

Yearly
+8k members(49.1%)

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About

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Last updated: November 1, 2026