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, help with labs, supplements, and "wake up" symptoms.
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’m gonna commit I’m done with this."
45 posts
#2
Deficiency Symptoms
: "I want to off myself"
37 posts
#3
Help with labs
: "Is homocysteine still useful after you’ve already started B12?"
31 posts
#4
Supplements
: "3 x injections, doctor said to stop now but still having symptoms so bought a b12 product ..?"
27 posts
#5
"Wake up" symptoms
: "1.5 months in, when do I give up? 💔 I'm just so exhausted."
22 posts
#6
Personal anecdote
: "Looked into my medical record and I'm fuming"
19 posts
#7
Research paper
: "Can low vitamin b12 cause air hunger I have had this around 3/4 months maybe when I went to the hospital I had eco scan blood tests done ecg and chest x ray which come back normal will this kill me im scared"
9 posts
#8
Cofactors
: "Be sure to check co-factors (not only iron, B9). B2 deficiency"
7 posts
#9
Success story
: "How I Finally Fixed My B12 Deficiency After Injections AND Oral Supplements Failed (MTHFR + Absorption Issue)"
2 posts
#10
Flagged as AI
: ""Vitamin B12: Signs You're Low and How to Fix It""
1 post
Member Growth in r/B12_Deficiency
Yearly
+8k members(51.3%)
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Last updated: September 18, 2026