Top
40
Doctor insights on: Does Vitamin B 12 Interfere With Synthroid Medicines

Share
1

1
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

Dr. David Sneid
1,420 Doctors shared insights

Thyroxine (Definition)

Thyroxine is a thyroid agent. ...Read more


2

2
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

3

3
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

4

4
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

6

6
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

7

7
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

9

9
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?

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

10

10
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

11

11
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!

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

12

12
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

13

13
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

14

14
Can vitamin b-12-help heal damaged nerves?

Only: If you are deficient and that that is the cause. ...Read more

15

15
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

16

16
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

17

17
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

18

18
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

19

19
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

20

20
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

21

21
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

22

22
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

23

23
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

24

24
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

25

25
Are my test results in range? Vitamin B-12 558 FOLATE, SERUM 17.8

Are my test results in range? Vitamin B-12 558 FOLATE, SERUM 17.8

Yes: Both results are in the normal range. Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco or alcohol in any form. ...Read more

26

26
Does vitamin b 12 cause acne?

Does vitamin b 12 cause acne?

No: It's good to supplement with B12 if you are a vegetarian, necessary is you are a strict vegetarian / vegan. Don't try to figure out why you have acne; simply manage it with topical benzoyl peroxide and/or retinoic acid, supplementing with your physician's Rx if needed, until it remits on its own. ...Read more

Emily Lu Dr. Lu
5 doctors agreed:
28

28
Are there any connections between cholelithiasis and vitamin b-12 deficiency?

Emily Lu Dr. Lu
5 doctors agreed:
Are there any connections between cholelithiasis and vitamin b-12 deficiency?

Yes: Vitamin B12 deficiency can lead to your body being ineffective at making red blood cells, which can lead to red blood cell breakdown. Among other affects, most notably anemia, red blood cell breakdown can lead to increased levels of bilirubin which causes jaundice and can accumulate as gallstones (cholelithiasis). ...Read more

30

30
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

31

31
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

32

32
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:
33

33
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

34

34
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

35

35
What could cause high vitamin b-12 levels in blood? Do not take supplements!

What could cause high vitamin b-12 levels in blood? Do not take supplements!

Needs evaluation: I am sorry to tell you that high B12 levels can be a sign of serious health problems including liver ; kidney disease, myelproliferative disorders including leukemia ; polycythemia vera ; hypereosinophilic syndrome. High intake of B12 does not cause these. It is important for you to be evaluated to find the underlying cause. See http://healthyeating. Sfgate. Com/high-vitamin-b12-mean-9057.Htm. ...Read more

37

37
Is vitamin b 12 shots safe during breastfeeding? Will pass in milk? Safe or large dose will pass

Is vitamin b 12 shots safe during breastfeeding? Will pass in milk? Safe or large dose will pass

Relatively safe...: Cyanocobalamin (Vit B12) is excreted into human milk. Cyanocobalamin is considered compatible with breast-feeding by the American Academy of Pediatrics. There are side effects described of too much cyanocobalamin & u shd be aware of them & discuss it with the doctor treating u. Best is to see all the side effects on a site such as drugs. Com. Includes: dyspnea, rash, Diarrhoea, vomiting & others. ...Read more

38

38
Should I take vitamin b 12 with effexor (venlafaxine) xr 225mg? Would effexor (venlafaxine) or vyvanse cause dystonia?

Should I take vitamin b 12 with effexor (venlafaxine) xr 225mg? Would effexor (venlafaxine) or vyvanse cause dystonia?

B12 is not: Often low. It is found in all animal products and is stored in the liver. If not a vegan, the levels of b12 are rarely low in non-elderly. It doesn't interact with antidepressants in any case. A stress hormone and anti-depressant could interact, but it's pretty UNlikely. ...Read more

Dr. Joseph Mathews
615 Doctors shared insights

Synthroid (Definition)

Synthroid is a thyroid agent. ...Read more