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, "wake up" symptoms, 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
: "I had a hunch something was wrong"
61 posts
#2
Deficiency Symptoms
: "B12 deficiency and histamine"
37 posts
#3
"Wake up" symptoms
: "My Body is Going Crazy"
30 posts
#4
Personal anecdote
: "FINALLY. Hematology was the answer."
23 posts
#5
Help with labs
: "Struggling with potassium and other nutrients"
18 posts
#6
Supplements
: "Olympia Pharmacy?"
15 posts
#7
Cofactors
: "Something has gone wrong - can you help me understand it?"
9 posts
#8
Success story
: "3 months of recovering"
4 posts
#9
Research paper
: "Vitamin B12 and Folate Deficiencies: Implications for Mood and Cognitive Disorders"
3 posts
Member Growth in r/B12_Deficiency
Yearly
+8k members(50.9%)
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Last updated: August 14, 2026