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Doctor insights on: Vitamin B 12 Narcolepsy

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Is 500 meg of vitamin b 12 safe?

Is 500 meg of vitamin b 12 safe?

If you meant:: If you meant taking 500 mcg (micrograms) of B12 orally, then yes. Here's a detailed summary of information about B12 supplementation:

http://www. Mayoclinic. Org/drugs-supplements/vitamin-b12/dosing/HRB-20060243 ...Read more

Dr. Michelle Zetoony
287 Doctors shared insights

Narcolepsy (Definition)

A condition characterized by extreme sleepiness every few hours during the day and frequent, unexpected sleep attacks. This sleep disorder is believed to be caused by a decrease in a protein in the brain. There is no cure for narcolepsy, but its ...Read more


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What causes too much vitamin b-12 in the blood?

What causes too much vitamin b-12 in the blood?

B12: Usually overdosage of oral or injectable, it is not common to have excess just with diet, and is not dangerous. ...Read more

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Can my 12 year old take 2500mcg of vitamin B-12?

Can my 12 year old take 2500mcg of vitamin B-12?

Here are some...: Asking the attending pediatrician is the first and right thing to do since usually there is no reason to take such supplement except being poor in lifestyle and being tested to be low in B-12. ...Read more

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Can doctors tell me what does the vitamin b 12 do for you?

Can doctors tell me what does the vitamin b 12 do for you?

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. Com/b12-deficiency-a-silent-epidemic-with-serious-consequences
3) http://www. Webmd. Com/food-recipes/guide/vitamin-b12-deficiency-symptoms-causes. ...Read more

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What are the symptoms of being deficient in the vitamin b-12?

What are the symptoms of being deficient in the vitamin b-12?

Nothing typical: B12 is but one of many vitamins and the symptoms overlap each other. B12 deficiency produces fairly typical changes in the blood. Because all of them are vital to energy metabolism the commonest symptom is fatigue but only a physician can make the diagnosis. ...Read more

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I wanted to know is chlorella a viable source of vitamin b-12?

I wanted to know is chlorella a viable source of vitamin b-12?

Chlorella B12: Chlorella is a type of freshwater seaweed (green algae).

It contains protein, iron, vitamins B and C, and other antioxidants

It has been used to treat or prevent Low Vitamin B 12.

There has not been enough clinical research to document its effectiveness to treat Vitamin B 12 deficiency. ...Read more

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Please describe the name of the pill for large doses of vitamin b-12?

Please describe the name of the pill for large doses of vitamin b-12?

Injections Best: See 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. Com/b12-deficiency-a-silent-epidemic-with-serious-consequences
3) http://www. Webmd. Com/food-recipes/guide/vitamin-b12-deficiency-symptoms-causes. ...Read more

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Greetings dr's.May you please kindly help me with list of foods that have vitamin B12 or with more vitamin b-12? Thanks

Greetings dr's.May you please kindly help me with list of foods that have vitamin B12 or with more vitamin b-12? Thanks

All animal foods: All meats, dairy ; eggs have b12; no vegetarian foods have it unless fortified. Best sources are clams ; beef liver (only have liver if organic). Many have difficulty absorbing B12 ; are thus low even if they eat foods rich in b12; they need injections or sublingual methylcobalamin.
See http://ods. Od.Nih. Gov/factsheets/vitaminb12-healthprofessional/. ...Read more

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Do vitamin b-12 shots work?

Do vitamin b-12 shots work?

It depends...: Work for what? If someone has B12 deficiency then B12 shots definitely "work" to treat the deficiency and resultant anemia/neurological symptoms. However, many who are not deficient get B12 shots for fatigue and other non-specific symptoms. While many people feel better after B12 shots, there has been little research to show if it actually helps. See http://www. Medscape. Com/viewarticle/585589. ...Read more

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Taking 50, 000 mcg vitamin B-12 good?

Taking 50, 000 mcg vitamin B-12 good?

Safe but: May not do much good if you have no problem absorbing vitamin B12. If you are a vegan, then this is a good idea since you would otherwise have no source of vitamin B12. ...Read more

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Is 2500 mcg a day too much of vitamin b-12?

Is 2500 mcg a day too much of vitamin b-12?

Vitamin B12: In B12 deficiency, doses of 300-10, 000 mcg (microgram) by mouth daily have been used. 2500 mcg per day is not too much. ...Read more

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What are the benefits of taking vitamin b-12?

What are the benefits of taking vitamin b-12?

Known causes of defi: Vegans. Celiac disease. Autoimmune lack of intrinsic factor. Meds: H2 and PPI stomach meds. Metformin used for diabetes. For anyone showing low B12 on a blood test. For normal people your age there is no benefit. ...Read more

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Is it helpful if I used cheap bi-mart vitamin b-12?

Is it helpful if I used cheap bi-mart vitamin b-12?

Sub lingual?: A year supply of B12 liquid (remember to hold it under the tongue for 30 seconds) costs about 8-12 dollars. Usually an eye dropper full is taken twice a month to achieve a serum blood level of greater than 350. B12 pills that are swollwed usually don't work if you truely have a problem with taking in B12 absorbtion in the terminal illium (last 5-6 inches of your small intestine). ...Read more

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How do I know how much vitamin b-12 should I take a day?

How do I know how much vitamin b-12 should I take a day?

Check your level.: You want to keep your B12 level in the blood above 350. You would first check a level. If it low you can try to fix the problem with mega doses of B12 by mouth or 1.2 mg sublingually (by-pass the malfunctioning GI tract). ...Read more

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Could you tell me how long it takes vitamin b-12 to be absorbed into my system?

Could you tell me how long it takes vitamin b-12 to be absorbed into my system?

Depends on Form: Injections are best. Also see 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. Com/b12-deficiency-a-silent-epidemic-with-serious-consequences
3) http://www. Webmd. Com/food-recipes/guide/vitamin-b12-deficiency-symptoms-causes. ...Read more

Dr. Tony Ho Dr. Ho
1 doctor agreed:
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I have high vitamin b/12 1370, iholotranscobalamim (active vitamin 12)by meta observed value was 128. Biological reference is 19 to 119 pmol/l suggest?

Dr. Tony Ho Dr. Ho
1 doctor agreed:
I have high vitamin b/12 1370, iholotranscobalamim (active vitamin 12)by meta observed value was 128. Biological reference is 19 to 119 pmol/l suggest?

No changes: You have high, but not abnormally or dangerously high levels. I wouldn't change anything. That being said, if you are taking B12 supplements without the care of a doctor, I would consider cutting back on them. ...Read more

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I have high vitamin b/12 1370, iholotranscobalamim (active vitamin 12)by meta observed value was 128. Biological reference is 19 to 119 pmol/l suggest?

I have high vitamin b/12 1370, iholotranscobalamim (active vitamin 12)by meta observed value was 128. Biological reference is 19 to 119 pmol/l suggest?

Interesting: I can assure you that this is not dangerous, but you are accumulating B12 and it is not being activated rto become useful as a virtamin. Oddly enough, it may indicate vitamin b1 deficiency. It is a complex issue that needs the advice of a physician who knows the chemistry. ...Read more

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Does excess vitamin b-12 cause dizziness?

Does excess vitamin b-12 cause dizziness?

No: B12 is usually safe. You can follow with a B12 level and adjust the supplement. ...Read more

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Does vitamin b-12 help my breasts/butt grow??

Does vitamin b-12 help my breasts/butt grow??

No.: Breast only grow if you gain weight and add fat. Your behind can be toned and look larger with exercise. Gaining weight makes that bigger too. But weight gain will also make everything else bigger too. Too much fat is unhealthy. Wear underwear that pads those areas. If you have an unattractive personality it does not matter how attractive your body is. So good, kind people are always attractive ...Read more

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Hoping you can tell me, is vitamin b 12 deficiency a major medical problem?

Yes: It can land you in the nursing home with subcortical dementia if untreated. You'ld have to be wheeled in as its likely that your balance would be really poor from spinal cord degeneration. ...Read more

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As a vegan, how much vitamin b-12 do I need to take and what we will happen to me if I don't get enough?

Get plenty of it: If you have become a vegan out of concern for factory-farmed animals, you have my admiration and congratulations. You also need to know that the health benefits are massively exaggerated by many of its proponents. If you spend even a short time b12-deficient, you will get permanent brain and spinal cord damage. Your personal physician can guide you in selecting the optimal dose; you can't overdose. ...Read more

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Can I take levothyroxine with vitamin b-12 together? If not, how far apart do I need to take the vitamin b-12 since I take levo in morning

Can I take levothyroxine with vitamin b-12 together? If not, how far apart do I need to take the vitamin b-12 since I take levo in morning

Not a problem: It is very unlikely that taking B-12 and levothyroxine together is making it difficult for your body to absorb either one so I see no reason you cannot take both in the morning ...Read more

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Why are vitamin b-12 supplements only available in mega doses? Took 250s, which is many times higher than mdr, now can't find anything less than 500!

You may not need any: You want to have a blood level for vitamin b 12.

It will probably be normal, as long as you eat healthy food or take one mvi (multivitamin).

Discuss the dose with your doc if low.

Good luck. ...Read more

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Can vitamin b 12 deficiency life threatening?

Can vitamin b 12 deficiency life threatening?

Yes - See 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. Com/b12-deficiency-a-silent-epidemic-with-serious-consequences
3) http://www. Webmd. Com/food-recipes/guide/vitamin-b12-deficiency-symptoms-causes. ...Read more

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Can achlorhydria cause vitamin b-12 deficiency?

Can achlorhydria cause vitamin b-12 deficiency?

Achlorhydria B12: You need to have acid in the stomach to assist with the the absorption of B12 (too technical to explain here). Without acid due to an acquired condition such as achlorhydria or to medication affects (from proton pump inhibitors which are commonly prescribed), you can develop B12 deficiency. ...Read more

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What are symptoms of iron and vitamin b-12 deficiency?

What are symptoms of iron and vitamin b-12 deficiency?

Fatigue / numbness: Iron deficiency when prolonged produces anemia with small red blood cells which when severe can produce any symptom associated with low oxygen delivery to tissues. Generally you will see fatigue and exertional shortness of breath. B12 deficiency usually presents with loss of or altered sensation in the toes, but also produces a mild anemia with enlarged red blood cells. ...Read more