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Doctor insights on: How Much Vitamin B 12 Should I Take

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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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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

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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

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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 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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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

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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

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Is there a supplement I can take to build up my blood am currently taking vitamin b 12 but it's not working my eyes are still pale?

Is there a supplement I can take to build up my blood am currently taking vitamin b 12 but it's not working my eyes are still pale?

Real science: Shotgun approach to anemia is worse than useless, you risk missing serious disease. If you are iron deficient, your physician needs to figure why. Many anemias are unrelated to diet. Demand an explanation from your physician. Best wishes ...Read more