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Doctor insights on: Best Time Of Day To 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. It's 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

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


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When is the best time to take vitamins, such as vitamin B12 and biotin?

When is the best time to take vitamins, such as vitamin B12 and biotin?

As : As a general rule of thumb, it is better to take vitamins with a meal. This allows for better absorption. However, this is not an absolute. In addition, remember to check with your doctor before taking any vitamins, minerals, or supplements in order to ensure that it won't interfere with any possible medications you are taking. ...Read more

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Could you tell me if vitamin B12 provides energy, why would you take it at bed time?

Could you tell me if vitamin B12 provides energy, why would you take it at bed time?

It does not.: Unless you are deficient in b12, it will not provide and "boost" of energy. You can take it at night! ...Read more

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Can you take zyrtec at the same time as vitamin B12 and vitamin d supplements?

Can you take zyrtec at the same time as vitamin B12 and vitamin d supplements?

Yes: There should be no interaction between zyrtec (cetirizine) and those vitamins when taken at the same time. ...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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Could I have a vitamin B12 deficiency even if I take B12 every day?

Could I have a vitamin B12 deficiency even if I take B12 every day?

Yes: If in pill form you may not be able to absorb it (often the case) that's why we have sublingual and intramuscular forms. ...Read more

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I am 22. Taking 750mcg methylcobalmin /day as vitamin B12 and 1000ug vitamin d3. My levels are b12=70pg/ml and. D3=10. In how much time will I recover?

I am 22. Taking 750mcg methylcobalmin /day as vitamin B12 and 1000ug vitamin d3. My levels are b12=70pg/ml and. D3=10. In how much time will I recover?

Need more D3,?B12 IM: It will take several weeks to raise d levels much but 1000 iu is not nearly enough- people need 5-8000 iu/day to achieve optimal levels of 50-80. I advise taking 10, 000 iu/day for 3 months ; then recheck levels- see http://bit. Ly/1gnxnk0
it's possible you can't absorb B12 in which case no oral dose would help. I would give 1000 mcg im 2-3x/week for a month then see if oral forms can maintain it. ...Read more

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How long does it take to feel a difference from vitamin B12 injection i have mgus neuropathy and they said I was very low. 1pill a day 1injection. G?

How long does it take to feel a difference from vitamin B12 injection
i have mgus neuropathy and they said I was very low.  1pill a day 1injection. G?

Quick: Improvement of B12 deficiency symptoms with B12 injection can be fairly rapid, with some patients reportedly feeling more energetic the same day.
Neuropathy may or may not be due to B12 deficiency, and as such, improvement may be variable. ...Read more

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Is there a limit on how much liquid vitamin B12 with Folic acid you can take in a day?

Is there a limit on how much liquid vitamin B12 with Folic acid you can take in a day?

Yes there is...: Overdosing on folic acid can prevent the development of megaloblastic anemia, without correcting the underlying vitamin B-12 deficiency, Symptoms of vitamin B12 overdose include itchiness on different body parts, numbness, improper heart functioning, giddiness, regular headaches, increasing the risk of getting cancer (see: http://www.newhealthguide.org/Vitamin-B12-Overdose.html) ...Read more

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Is it safe for me to take B12 (500 mcg) twice a day? Is it okay for me to take vitamin B12 (500mcg) along with hair and nail vitamins with B12 100mcg

Yes: Vitamin b 12 is water-soluble. That means that you can not build up and store high levels, you urinate out any extra that you might ingest. So you can take it orally without concerns. ...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 too much. ...Read more

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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 are the best sources of vitamin b12?

What are the best sources of vitamin b12?

Animal yes plants no: Vitamin b12, or cobalamin, is in fish, meat, poultry, eggs and milk products. Generally speaking, you won't find vitamin B12 in plant foods. Some nutritional yeast products contain vitamin b12. Follow this link, http://www.Healthaliciousness. Com/articles/foods-high-in-vitamin-b12. Php for more specific info. ...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?

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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What are the best natural ways to get vitamin b12?

Organ meats: Yes that's right. Organ meats such as liver are great sources. But unless you enjoy eating that kind of food, I recommend a pharmaceutical grade methyl-b12. I do not lke the cyano B12 becuase of the cyanide group attached to the b12. B12 is also known as cobalamin. ...Read more

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What effects can I expect if I take pure vitamin b12?

What effects can I expect if I take pure vitamin b12?

Sublingual B 12: For convenience, sublingual b 12 is the best choice. Oral b 12 has to travel through the GI system and most of it is destroyed. If you take the kind that melts under your tongue it will go directly into your blood stream and will you absorb most of it. Peace and good health. Helpful for vegetarians, low energy, more. ...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 its a commonly administered placebo. ...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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How long does it take for Vitamin B12 pills to work? They're 1000 mcg. Wednesday was a week.

Why take B12?: Vitamin B12 pills aren't going to do a thing for you unless you are actually deficient as demonstrated by labwork, and if you are, the situation is extremely serious and you need to be under the care of a physician. Please forgive my frankness, and pardon me if I have misunderstood. ...Read more

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I took vitamin b12 1000mcg on may 28th how long does it take for b12 to get out of the body fully so I can take a Lower dose 250mcg.

Wrong question: Why ask this? There is no toxic dose of B12. You will absorb only a tiny fraction of these very large doses. Why are you taking it? Most of the time 250 will be about the same as 1000. You can take the 250mcg any time. Since this is in many foods and is even produced by intestinal bacteria, a clinical deficiency occurs only in special circumstances. Vegan diet. Long term use of PPI or H2 blocker s ...Read more

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Vitamin B12 went from 120 to 113. I have to have B12 injections. 1inj 3 times per week for 2 weeks then 1inj every 3 months. Is this permanent or not?

Need more : It seems that you are not getting enough vitamin B12 supplementation; otherwise you would see an improvement. You can also follow the MCV which should be decreasing toward the normal range... ...Read more

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How much vitamin B12 should I take if I take daily colchicine?

How much vitamin B12 should I take if I take daily colchicine?

500mcg: I recommend 500mcg, but taking sl B12 2500mcg will also lower a factor in heart disease, called homocysteine. ...Read more

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Will vitamin B12 injections help if I feel tired all the time?

Vit.B12: The only reason to take vit. B12 is that you are deficient. Taking this vit. When not deficient will not help you and will not help tiredness. Many causes for tiredness. ...Read more