r/B12_Deficiency
22k members
r/B12_Deficiency is a subreddit with 22k 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, 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 was escorted out by cops today for explaining nitrous oxide oxidizes cobalamin. Hematologist had no idea."
66 posts
#2
Deficiency Symptoms
: "three years of 'your bloods are normal' and my ferritin was 11"
36 posts
#3
Personal anecdote
: "Small victory - my feet can feel the insides of my Crocs"
25 posts
#4
Supplements
: "Why are some doctors so hesitant to prescribe or even discuss B12 supplementation unless the level is very low?"
24 posts
#5
"Wake up" symptoms
: "I am in hell"
20 posts
#6
Help with labs
: "Is anyone here, skipping the doctor and ordering your own lab work?"
10 posts
#7
Cofactors
: "How long was it until your body stopped needing extra potassium?"
9 posts
#8
Success story
: "Fully recovered!"
5 posts
#9
Research paper
: "Copper Deficiency and B12. Nobody Is Talking About the Full Picture."
5 posts
Member Growth in r/B12_Deficiency
Yearly
+7k members(50.9%)
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About
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Last updated: July 24, 2026