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Doctor insights on: Should I Take Vitamin B12

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A blood test showed that i'm B12 deficient. Serum B12 level of 186 pg/ml, should I take vitamin B12 supplements?

A blood test showed that i'm B12 deficient. Serum B12 level of 186 pg/ml, should I take vitamin B12 supplements?

B12: this low will likely cause dementia, spinal cord degeneration and peripheral neuropathy. Keep your level above 550 for the rest of your life. Recovery takes about a year in a young person. I suggest you take liquid sublingual weekly for 3 months then bi weekly thereafter. Its important to check a level after you cut back to twice a month. Use 1 1/2 dropper and hold it under the tongue for 30 sec. ...Read more

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Dr. Randy Baker
973 doctors shared insights

Vitamin B12 (Definition)

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


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Should I take vitamin B12 or vitamin b complex?

Should I take vitamin B12 or vitamin b complex?

It depends on: if you have any nutritional deficiencies, reasons for a nutritionally incomplete diet or malabsorption syndromes. Remember if you don't have any defined nutritional deficiencies you are better off getting your micronutrients like the B vitamins from whole foods rather than from supplementation. Alternatively if all you have is a B12 deficiency then you should be fine with a B12 supplement. ...Read more

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A blood test showed that i'm B12 deficient. Serum B12 level of 186 pg/ml, should I take vitamin B12 supplements?

B12: this low will likely cause dementia, spinal cord degeneration and peripheral neuropathy. Keep your level above 550 for the rest of your life. Recovery takes about a year in a young person. I suggest you take liquid sublingual weekly for 3 months then bi weekly thereafter. Its important to check a level after you cut back to twice a month. Use 1 1/2 dropper and hold it under the tongue for 30 sec. ...Read more

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What amount vitamin B12 should I take?

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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Can i take vitamin B12 with my medication ?

Can i take vitamin B12 with my medication ?

Yes, however...: You don't say which medication but it is safe to take B12 with all medications, but it should not be taken at the same time as tetracycline (take at least an hour apart). Many medications reduce absorption & thus increase our need for B12. I advise sublingual or chewable methylcobalamin. See http://umm.edu/health/medical/altmed/supplement/vitamin-b12-cobalamin & http://bit.ly/1cBhjvn. ...Read more

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How much vitamin B12 should one take daily?

How much vitamin B12 should one take daily?

Depends: It depends on how deficient you are. Usually 2000mcg/day is recommended. Taking a form that is under the tongue is better absorbed. Balance with a b-complex. Consider shots if your blood levels are below 500. ...Read more

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Is it possible to take excessive vitamin b12?

Is it possible to take excessive vitamin b12?

No: This is a water soluble vitamin and the body will lose excess by urination. However moderation is an important rule of thumb and there is no reason to take more than 1, 000 units a day even in documented deficiency. ...Read more

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How do I know how much vitamin B12 can you take a day ?

How do I know how much vitamin B12 can you take a day ?

Daily requirement 3.: Daily requirement of vit B12 for us population is 3.4 mcg at your age and you are probabely getting that in your diet at your age.It is required for red cell formation and neurological functions and its deficiency can cause anemia and neurological problems.It is found in poultry, eggs, milk&milk and fortified breakfast serials.Older people&those on acid suppression meds need supplement 1000 mcg dail. ...Read more

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How long does it take a vitamin B12 injection to take effect?

Take effect?: I'm not sure what you mean by 'take effect.' the only indication for vitamin B12 injection is for people with severe B12 deficiency or those who are unable to absorb B12 from their diet. That applies to very few people. If you're being given B12 injections for 'energy, ' you should be aware that's it's a commonly administered placebo. ...Read more