r/B12_Deficiency
21k members
r/B12_Deficiency is a subreddit with 21k 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 deficiency symptoms, general discussion, 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
Deficiency Symptoms
: "three years of 'your bloods are normal' and my ferritin was 11"
58 posts
#2
General Discussion
: "Why "You Can't Overdose on B12" Is Only Half True"
49 posts
#3
Personal anecdote
: "I really think I'm getting better but man the trauma is gonna stick with me forever"
27 posts
#4
Supplements
: "Why are some doctors so hesitant to prescribe or even discuss B12 supplementation unless the level is very low?"
26 posts
#5
"Wake up" symptoms
: "I feel like a walking corpse"
13 posts
#6
Cofactors
: "Why is it hard to find multi vitamins without extremely high B6 amounts"
13 posts
#7
Help with labs
: "Functional B12 Deficiency and start up symptoms from sublingual"
9 posts
#8
Research paper
: "A common vitamin has a complicated link to cancer, and too much may not be harmless"
3 posts
#9
Success story
: "Little gains"
2 posts
Member Growth in r/B12_Deficiency
Yearly
+7k members(50.4%)
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About
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Last updated: June 29, 2026