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what is the recommended daily intake of vitamin b12

A 39-year-old member asked:
Dr. Todd Purkiss
16 years experience Ophthalmology
Depends: If you look at any multivitamin bottle, there will be a rda (recommended daily allowance) for the different components. There is very little evidence ... Read More
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A 45-year-old member asked:
Dr. Andrew Lipton
29 years experience Holistic Medicine
Vit b12: Yes it is safe, vit b 12 is water soluble and excess will flush out of body.
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A 40-year-old member asked:
Dr. Douglas Tavenner, jr.
49 years experience Cosmetic Dentistry
Study Links:: 1) http://en.Wikipedia.Org/wiki/vitamin_b12_deficiency 2) http://www.Doctoroz.Com/videos/end-your-energy-crisis-vitamin-b12 3) http://chriskresser.C ... Read More
A 22-year-old male asked:
Dr. Randy Baker
39 years experience Holistic Medicine
Maybe...: Wow, pretty low levels. I imagine you're taking 750 mcg daily, not mg. Increase to 1000 mcg 2x/day and chew the tablets- see http://bit.Ly/1cbhjvn so ... Read More
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A 28-year-old female asked:
Dr. Ed Friedlander
43 years experience Pathology
No: It's very safe. If you are taking it as an oral supplement, be sure you are able to absorb it by this route -- many people who are deficient cannot. Y ... Read More
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A 43-year-old member asked:
Dr. Ronald Krauser
51 years experience Rheumatology
None: You do not need to take any supplemental vitamin B12 if you are on colchicine.
A 48-year-old member asked:
Dr. Kelty Baker
27 years experience Hematology
Colchicine and B12: Although Colchicine is known to cause vitamin B12 depletion, how much B12 to take to prevent this isn't known. The typical replacement dose for vitami ... Read More
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6 thanks
A 43-year-old member asked:
Dr. Shiroko Sokitch
36 years experience Holistic Medicine
Daily requirements : For vitamin d vary based on your levels when you start, you can have a blood test to see. But on average between 2000-5000 iu per day. B12 - you can t ... Read More
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28 thanks
A 22-year-old male asked:
Dr. Robert Killian
27 years experience General Practice
Vitamin D: You are vitamin d deficient. You need to take vitamin d daily!

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