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You asked: how much is too much b12

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Medical Reference
5,856 Answers
3,454 Helpful Votes
27 Followers
A.
Vitamin B12 is effective for: Treatment and prevention of vitamin B12 deficiency, and diseases caused by low vitamin B12 levels.  Treatment of...
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217 Answers
192 Helpful Votes
1 Follower
A.
The confusion is understandable and is best resolved by following your doctor's instructions.In the U.S.A., we've never become...
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299 Answers
6,922 Helpful Votes
22 Followers
A.
The right dose depends on the reason for the deficiency. If a person doesn't have enough vitamin B12 because he doesn't get enough in his diet, then...
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Medical Reference
159,291 Answers
6,852 Helpful Votes
16 Followers
A.
If you are taking the over-the-counter product to self-treat, follow all directions on the product package before taking this medication. If you...
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217 Answers
192 Helpful Votes
1 Follower
A.
Individuals with MS frequently have low levels of B12 in their cerebrospinal spinal fluid and well as their serum blood. In fact, some scientists...
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Medical Reference
5,856 Answers
3,454 Helpful Votes
27 Followers
A.
Vitamin B12 is LIKELY SAFE for most people when taken by mouth or when the prescription-only, injectable product is used correctly. In some people...
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Medical Reference
5,856 Answers
3,454 Helpful Votes
27 Followers
A.
The following doses have been studied in scientific research:BY MOUTH: The typical general supplemental dose of vitamin B12 is 1-25 mcg per day. The...
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299 Answers
6,922 Helpful Votes
22 Followers
A.
Vitamin B12 is found primarily in animal products, such as:Fish (especially oysters, clams, crab, tuna and bluefish)Chicken and turkeyMeatMilk...
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Primary Care
4,377 Answers
20,961 Helpful Votes
313 Followers
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B12 does have some beneficial effect with shingles, but it will not cure or make the infection any less severe. There are other anti-viral...
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Nutrition
268 Answers
4,595 Helpful Votes
45 Followers
A.
Vitamin D and B12 aren't linked in the sense that one causes the other but is relatively common for someone to fall short on both...
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Pharmacology
American Pharmacists Association
239 Answers
3,799 Helpful Votes
13 Followers
A.
It depends on the form of vitamin B12 you are taking. Gastrointestinal side effects associated with parenteral cyanocobalamin or vitamin B12 given by...
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Pharmacy
American Pharmacists Association
423 Answers
5,267 Helpful Votes
23 Followers
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The Recommended Dietary Allowance (RDA) is 2.4 micrograms per day for adults and adolescents aged 14 years and older. Because 10%-30% of older people...
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Pharmacy
American Pharmacists Association
423 Answers
5,267 Helpful Votes
23 Followers
A.
The Recommended Dietary Allowance (RDA) is 2.4 micrograms per day for adults and adolescents aged 14 years and older. Because 10%-30% of older people...
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Nutrition
268 Answers
4,595 Helpful Votes
45 Followers
A.
Vitamin B12, one of the eight water-soluble B vitamins, contains the mineral cobalt, which is why it is often referred to as "cobalamin." All B...
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299 Answers
6,922 Helpful Votes
22 Followers
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A lack of B vitamins, including folic acid, B6 and B12, is not known to have an effect on arthritis. Low vitamin levels are not a recognized cause or...