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chemical name for vitamin b12

A 48-year-old female asked:
Dr. You Sung Sang
31 years experience Gastroenterology
Many: Main ones are: fatigue, neurological symptoms (like numbness ; tingling), GI symptoms (like nausea, GI upset) and weight loss.
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A 44-year-old member asked:
Dr. Steven Charlap
37 years experience Holistic Medicine
Fish, fowl, animal: Vitamin B12 is found in the fish, chicken, and mammals of all sorts.
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Dr. Rex Mahnensmith
A Verified Doctor answered
A US doctor answered Learn more
B12: B12 principally derives from animal sources and eggs. Dairy has little. Select soy can provide some. More vegan foods are being supplemented with B12, ... Read More
A 31-year-old male asked:
Dr. Lonna Larsh
30 years experience Family Medicine
Possible causes: You could have a low b-12 if you are vegetarian, have been for several years and don't take supplemental b-12. It could be low if you don't make intr ... Read More
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16 thanks
Dr. Milton Mintz
A Verified Doctor answered
A US doctor answered Learn more
Are you taking: Medicine for gerd? Proton inhibitors can cause low B12 levels in some people- pernicious anemia patients have low levels this problem should be follow ... Read More
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1 thank
A 26-year-old male asked:
Dr. Dan Fisher
27 years experience Internal Medicine
Not really.: You would really have to work at it.
A 31-year-old member asked:
Dr. Lewis Dickinson
50 years experience Internal Medicine
Ingesting much B12.: No known adverse effect of too much vitamin B12 in blood. You may not need to take any b12.
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A 32-year-old member asked:
Dr. Rowena Desailly-chanson
27 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 female asked:
Dr. Ed Friedlander
44 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 41-year-old member asked:
Dr. Lori Poling
A Verified Doctor answered
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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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A 39-year-old member asked:
Dr. Eric Weisman
36 years experience Neurology
Cobalt: There is a tiny cobalt ion in the middle of this huge molecule.
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A 35-year-old member asked:
Dr. Paul Hartlaub
34 years experience Preventive Medicine
Many: Vitamin B12 is important for many things including nerve function and the making of red blood cells. If you are low on it, therefore, you could have a ... Read More
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12 thanks

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