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too much vitamin b12 bad for you

A female asked:
Dr. Ed Friedlander
43 years experience Pathology
Borderline: I assume the units are pg/mL. Consider following this up with a functional assay such as methylmalonic acid and/or taking a routine supplement. Your p ... Read More
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A 48-year-old member asked:
Dr. Lori Poling
16 years experience Pharmacology
B-12: No, that dosage is perfectly fine. There has not been an upper limit set for oral vitamin b-12. Generally speaking if and individual has a vitamin b- ... Read More
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1 thank
A 28-year-old male asked:
Dr. Donald Colantino
60 years experience Internal Medicine
B12 harmless: Vit B12 will not harm you as the extra B12 is excreted harmlessly by the body. Ideally you should have your blood level of B12 measured to see if you ... Read More
A 30-year-old female asked:
Dr. Joel Gallant
35 years experience Infectious Disease
It's fine: It's not a problem if your vitamin B12 is slightly high, since there's no toxicity. You probably just eat a healthy diet.
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1 thank
A 41-year-old female asked:
Dr. Tania Dempsey
24 years experience Internal Medicine
Vitamin B12 level: Can be high for several reasons: 1) you are taking vitamin B12 as a supplement or eating a diet high in b12. 2) your body cannot metabolize B12 so it ... Read More
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1 thank
A 48-year-old female asked:
Dr. Girish Kalva
24 years experience Internal Medicine
Need more info: What is ur weight?
A 48-year-old female asked:
Dr. Bernard Seif
39 years experience Clinical Psychology
Optimal B12 is: between 60 & 80 according to B12 experts. If the measuring stick in labs in your country are the same as in US, you are well beyond optimal. May ... Read More
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A 25-year-old male asked:
Dr. Randy Baker
39 years experience Holistic Medicine
Yes, but can treat: Low vit d can cause fatigue, muscle pain/ weakness, headaches, depression & increases risk of infections, heart disease, cancer &risk of dying!most a ... Read More
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A 39-year-old member asked:
Dr. Rowena Desailly-chanson
26 years experience Neurology
Check levels first: As a supplement or replenishing a B12 deficiency? I would check the B12 levels first to make sure. Unless you have no meat intake or have difficul ... Read More
A 41-year-old member asked:
Dr. Gebrehana Zebro (formerly Woldegiorgis)
31 years experience Internal Medicine
The maximum dose for: People who has confirmed case of vitamin B12 deficiency is 200microgram a day . You are taking higher than the recommended dose and I am not sure if y ... Read More

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