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Doctor insights on: Vitamin B12 And Mosquito Bites

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Hi is there any possible link between vitamin B12 and a bit high estrogen levels?

Hi is there any possible link between vitamin B12 and a bit high estrogen levels?

Nothing definitive: A few studies have been done which show influence in both directions: post-menopausal women who took vitamin B12 (and other) supplements showed increased estradiol levels. Women with surgical removal of uterus/ovaries were given estradiol and showed increased B12 levels! The exact connection is unclear. Eat a balanced diet including meat/dairy products; vegetarians may need B12 supplements. ...Read more

Mosquito Bite (Definition)

Mosquito bites usually are not very visible on skin unless there is an allergic reaction or an infection following the bite. Allergic reaction will cause a redness white an infection may ...Read more


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I am vitamin b12 deficient and today have been diagnosed vitamin d deficient with my blood levels at 8 for bit d. What could this mean health wise?

I am vitamin b12 deficient and today have been diagnosed vitamin d deficient with my blood levels at 8 for bit d. What could this mean health wise?

B12 malabsorption &: B12 deficiency is due to lack of animal foods in diet (not found in vegan foods) or poor absorption which could be due to lack of hydrochloric acid, genetics etc. Everyone at your latitude who does not supplement with D in fall & winter becomes deficient. Both deficiencies can result in many symptoms but are both easily corrected. See http://tinyurl. Com/q84kw87
and http://tinyurl. Com/2chkcer ...Read more

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My Vitamin B12 is 335 pg/mL then it says Low: <146 pg/mL I rarely eat cause I don't have a appetite and at times go up to 4 or 5 days w/o food why?

My Vitamin B12 is 335 pg/mL then it says Low: <146 pg/mL I rarely eat cause I don't have a appetite and at times go up to 4 or 5 days w/o food why?

Anorexia: Appetite is a complex process mediated by the brain, emotions, metabolic needs, health of the gut & surrounding organs. Lack of weight loss would be good news here. I recommend a visit to your doctor to discuss the circumstances that preceded your anorexia & that may contribute to its persistence. Simple testing is appropriate. Of note, your B12 level is normal. ...Read more

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My vitamin B12 is 763 and it's suppose to be from 198-615. Is this bad and what does this mean? 24 y/o female. I don't take any supplements/vitamins.

My vitamin B12 is 763 and it's suppose to be from 198-615. Is this bad and what does this mean? 24 y/o female. I don't take any supplements/vitamins.

That's fine: Reference ranges are set to reflect where most healthy people fall. Some folks have extra B12-carrying protein and hence a higher B12 level in the blood, or you might have recently taken some B12 perhaps without knowing it. If you are otherwise well and your basic labwork isn't otherwise WAY off, this is never a problem. ...Read more

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Symptoms of vitamin B12 low?

Symptoms of vitamin B12 low?

Many: Main ones are: fatigue, neurological symptoms (like numbness ; tingling), GI symptoms (like nausea, GI upset) and weight loss. ...Read more

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Can you overdose on vitamin b12?

Virtually nontoxic: At any dose. I do not believe that you will find very much written on the toxic effects of B12 although I have had a couple of patients who took something on the order of 10x what I had prescribed them was already in the 10, 000IU range so they were taking about 100, 000IU daily for several weeks and the patient developed diarrhea. When he stopped that resident, within several days diarrhea stopped ...Read more

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What does high vitamin B12 mean?

Depends: It can mean that you have been taking B12 supplements!
for other reasons, see http://drfairchild. Blogspot. Com/2012/12/b12-deficiency. Html. ...Read more

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What is the best use for vitamin b12?

What is the best use for vitamin b12?

Absolutely: B12 in the form of methyl cobalamin is necessary for numerous biochemical pathways. It can prevent psychoses, nerve tissue degeneration and megaloblastic anemia. Methyl B12 can be given safely at doses up to 3mg intramuscularly and can be given weekly in those patients who cannot absorb it through the GI tract. Otherwise, 2mg oraly is optimal. There are no known side-effects of having to much. ...Read more

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What's the best way to get vitamin b12?

What's the best way to get vitamin b12?

Meat, supplements: The best dietary source of B12 is, surprisingly, clams. Beef liver is another good source, though I would only eat this if organic. Salmon & other fish, beef, dairy & eggs are also good sources. Many grains & cereals are fortified with b12. The most reliable vegan source is nutritional yeast but I advise vegans to take a B12 supp. See http://ods. Od.Nih. Gov/factsheets/vitaminb12-healthprofessional/. ...Read more

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What amount vitamin B12 should I take?

Depends: At your age if your intestinal track works okay you eat fish, chicken or meat at least three times a week, and you don't take any medicines like a proton pump inhibitor like Prilosec for heartburn then you probably don't need any extra B12. Your doctor can confirm if you need. ...Read more

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What does vitamin B12 actually do for you?

When I started: Practice it was mainly used for pernicious anemia. Lately I have been reading about it use in alzheimer's disease. My spouse swears it give her energy. ...Read more

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What food sources of vitamin B12 actually work?

What food sources of vitamin B12 actually work?

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, as B12 defici, ency is common among vegans. See www. Vegetarian. Org. Uk/factsheets/b12factsheet. Html ...Read more

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Need help. Is 4500 mcg of vitamin B12 too much?

Yes, but...: It is too much, unless you have severe absorption problems, but 2500mcg should solve that. You will pee out the excess since it will shortly saturate your body supply and it is non toxic. You will pee out the excess! ...Read more

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Vitamin B12 pills benefits and side effaces??

Take only if needed: If you are vitamin B12 defecient, then a B12 supplement can help with anemia and nerve function. If you are not B12 defecient, the it will not help. Overdosing of Vitamin B12 can cause nerve dysfunction, diarrhea, and other side effects. My general advice is that if you do not have a vitamin defeciency, the a general multivitamin once daily is all that you need. ...Read more

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Please suggest what foods are rich in vitamin b12?

Please suggest what foods are rich in vitamin b12?

Usually meats: Liver, eggs, pork, corned beef, turkey, shellfish. ...Read more

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When should you consider getting a Vitamin B12 shot?

Get tested for defi: Injectable B12 is indicated in the treatment of pernicious anemia. B12 by mouth or injection is also indicated in proven cases of B12 deficiency. Many physicians give B12 shots routinely more as a placebo than for any other reason. You can have your B12 level tested by your physician. ...Read more

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What are the symptoms of taking an overdose of vitamin b12?

What are the symptoms of taking an overdose of vitamin b12?

Vitamin B12 overdose: Too much vitamin B12 can cause mild diarrhea, skin rashes, hives, breathing problems, heart palpitations, panic attacks, and insomnia. The symptoms typically disappear within a few hours, as the excess B12 is flushed from the system, so no specific treatment is required. ...Read more

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What are good fortified food sources of vitamin b12 for vegans?

What are good fortified food sources of vitamin b12 for vegans?

Best to supplement: Trace amounts of the cyanocobalamin form of B12 can be found added to cereals, non-dairy milks, meat substitutes and one type of Red Star Yeast. But it may not be enough and our bodies have to convert it to methylcobalamin, which some people do poorly. Why not take 1000 mcg of methylcobalamin? Even doing that a 2 or 3 times a week should insure you get adequate B12. ...Read more

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Could you tell me what happens if you take too much vitamin b12?

Yes: Nothing :)

there is no known toxic dose of b12.
http://drfairchild. Blogspot. Com/2012/12/b12-deficiency. Html. ...Read more

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Are there any dangers or risks associated with overdosing on vitamin b12?

No: It's just foolish. My concern is why a person would do this. If this is a sign of a possible wish for self-injury, the situation is serious and needs to be addressed. ...Read more

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I have chrons can I take vitamin b12?

I have chrons can I take vitamin b12?

Yes: In fact, it might be a good idea. Crohn's patients who do not have good control may have trouble absorbing B12 in the termal ileum. Your physician is a good guide here. ...Read more

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What is the best solution for Vitamin B12 defeciency??

What is the best solution for Vitamin B12 defeciency??

Depends on cause...: There are lots of reasons for B12 deficiency, but can you offer more information about your medical history so we can help you learn why your B12 level is down? B12 can be supplemented orally, by nasal spray, by injection appropriate to the cause of the B12 deficiency. Talk with your doctor about which formulation is appropriate for you. Or do you have a parasite that needs treatment?? ...Read more

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Vitamin b12 levels came back 1500!! Should I be concerned?

Vitamin b12 levels came back 1500!! Should I be concerned?

Needs clarification: The first thing I would do is check the lab result...perhaps a decimal point is out of place as a normal result is in the 200 to 600 pg/ml range. Are the units correct. .. pg (picograms) per milliliter. Some medications can affect B12 levels. It would be unusual to have such a high level and no other signs of liver/kidney disease or cancer. ...Read more

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What happens if my vitamin B12 levels are above normal, is that ok?

Nothing: Vitamin B12 is a water-soluble vitamin and is easily excreted. It is nearly impossible to achieve toxic levels even with extreme levels of intake. Deficiencies are much more clinically relevant. ...Read more

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Does vitamin B12 cause bloating?

Does vitamin B12 cause bloating?

B12: Does not cause bloating. Sometimes pill additves and fillers have allergens like corn starch that may cause bloating. ...Read more

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Can vitamin B12 inhibit muscle growth?

Can vitamin B12 inhibit muscle growth?

No: B12 does not inhibit muscle growth, in fact it's a natural part of our body. It is essential in making dna, the genetic material in all living cells, and is involved in cellular metabolism. B12 lowers homocysteine levels, a protein that has been associated with an increased risk of heart attack, stroke, and dementia. Adding B12 injections should increase your energy level and improve your mood! ...Read more

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Can I take vitamin B12 while pregnant?

Yes: Yes, but be reasonable. A good thing to take is a prenatal vitamin. If you take that and a balanced diet, you will be fine. Babies need certain amounts of vitamins, but not mega-doses. Ask you ob-gyn what a good pnv is, as they likely have all kinds of samples from various drug reps. ...Read more

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Does vitamin B12 help improve tinnitus?

Does vitamin B12 help improve tinnitus?

Probably not: To my knowledge, tinnitus is not a commonly reported side effect of vitamin B12 deficiency. Even if it were, taking B12 would likely help only if your B12 levels were below a healthy range. ...Read more

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How does vitamin B12 help with insomnia?

It doesn't: Vitamin B12 hasn't been proven to help sleep. Well unless you're deficient and have tingles from the neuropathy keeping you awake. But B12 by itself won't do much to help sleep. ...Read more

Dr. Randy Baker
1,010 Doctors shared insights

Vitamin B12 (Definition)

Vitamin B12 is a vitamin which is a kind of nutritional agent ...Read more