r/B12_Deficiency
23k members
r/B12_Deficiency is a subreddit with 23k 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, personal anecdote, "wake up" symptoms, 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
: "Struggling with who I was when I was deficient, and moving on"
61 posts
#2
Deficiency Symptoms
: "I feel like life isn’t real"
47 posts
#3
Personal anecdote
: "How B12 deficiency landed me in the psych ward"
24 posts
#4
"Wake up" symptoms
: "My Body is Going Crazy"
18 posts
#5
Help with labs
: "It's Official: Pernicious Anemia"
17 posts
#6
Supplements
: "Vitamin D and Vitamin B12"
14 posts
#7
Success story
: "I was able to do some math for the first time in a long time. I guess my brain is rewiring?"
8 posts
#8
Cofactors
: "Warning to those using N2O(laughing gas) recreationally ! ‼️🚨‼️🚨"
7 posts
#9
Research paper
: "Vitamin B12 and Folate Deficiencies: Implications for Mood and Cognitive Disorders"
4 posts
Member Growth in r/B12_Deficiency
Yearly
+8k members(50.8%)
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Last updated: September 3, 2026