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, deficiency symptoms, supplements, personal anecdote, and help with labs.
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
: "People’s ignorance is frustrating"
26 posts
#2
Deficiency Symptoms
: "B12 deficient for years and didn’t figure it out until numbness on left side"
18 posts
#3
Supplements
: "Anybody else been through psychiatric drug withdrawal and nervous system is now super sensitive to vitamin B12? (and all other meds, supplements, etc.)"
15 posts
#4
Personal anecdote
: "My doc: B12 is just "one vitamin", that cannot surely create such varied list of symptoms. Also, numb fingertips can be caused by anxiety, apparently. Your other symptoms can also be just due to depression."
12 posts
#5
Help with labs
: "Is this B12 deficiency or something else?"
11 posts
#6
"Wake up" symptoms
: "Feeling awful since last B12 booster injection 4 weeks ago"
5 posts
#7
Cofactors
: "Significant increase in physical activity is giving me heart palpitations ..."
4 posts
Member Growth in r/B12_Deficiency
Yearly
+8k members(51.3%)
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About
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Last updated: October 2, 2026