Is 1000 mcg of vitamin B12 daily too much?

Though doses of up to 2,000 mcg of vitamin B12 are considered safe, it's best to speak with a doctor to find out whether taking a supplement is necessary. Most people can fulfill their B12 needs through a nutrient-rich diet.

Takedown request   |   View complete answer on healthline.com

Is it OK to take 1000 mcg of B12 a day?

There is no risk of an overdose when taking large amounts of vitamin B-12 such as 1000 mcg, because it is a water-soluble vitamin. Meaning the body will use the amount that it needs then the excess will be excreted through urine.

Takedown request   |   View complete answer on methyl-life.com

How often should I take 1000 mcg of B12?

* Based on the new labeling that started January 1, 2020, the target is 4.5 mcg three times a day. If you're over 65 years of age, you should take at least 1,000 mcg (µg) cyanocobalamin every day. Tip: If you're experiencing deficiency symptoms, the best test is a urine MMA, not serum B12 level.

Takedown request   |   View complete answer on nutritionfacts.org

How many mcg of B12 can I take a day?

While the recommended daily amount of vitamin B-12 for adults is 2.4 micrograms, higher doses have been found to be safe. Your body absorbs only as much as it needs, and any excess passes through your urine. High doses of vitamin B-12, such as those used to treat a deficiency, might cause: Headache.

Takedown request   |   View complete answer on mayoclinic.org

What is 1000 mcg B12 used for?

See also Precautions section. Cyanocobalamin is a man-made form of vitamin B12 used to prevent and treat low blood levels of this vitamin. Most people get enough vitamin B12 from their diet.

Takedown request   |   View complete answer on healthy.kaiserpermanente.org

Is Too Much B12 Bad (Can You Take Too Much b12?)

24 related questions found

What are the symptoms of high B12 levels?

In some people, high levels of B12 may cause gastrointestinal problems such as bloating and diarrhea. And if you have high blood pressure or poor cardiovascular health, having too much B12 may further complicate these issues. Pregnant and breastfeeding women may also need to be especially mindful of B12 levels.

Takedown request   |   View complete answer on phlabs.com

Is 2.4 mcg the same as 1000 mcg?

A: 2.4mcg is only approximately 1/250th of 1000mcg.

Takedown request   |   View complete answer on amazon.com

How much B12 MCG is too much?

Though doses of up to 2,000 mcg of vitamin B12 are considered safe, it's best to speak with a doctor to find out whether taking a supplement is necessary. Most people can fulfill their B12 needs through a nutrient-rich diet.

Takedown request   |   View complete answer on healthline.com

How much vitamin B12 should seniors take?

Recommended Vitamin B12 Dosage for Seniors

A recent study found that for seniors, a daily dose of 500 micrograms was efficient in reversing the signs of B12 deficiency. In general, experts recommend 2.5 micrograms of vitamin B12 per day for people over the age of 14.

Takedown request   |   View complete answer on snugsafe.com

What strength B12 should I take?

The usual dose for: diet-related deficiency is 50 micrograms to 150 micrograms, taken once a day. B12 deficiency not caused by your diet is one to two 1,000 microgram tablets, taken once or twice a day – this is usually if you cannot have vitamin B12 injections.

Takedown request   |   View complete answer on nhs.uk

Is it better to take vitamin B12 every day or once a week?

B12 for improved energy

However, B12 supplements may help increase energy levels and reduce fatigue those who are deficient in this nutrient ( 20 ). One review recommended that those with vitamin B12 deficiency take 1 mg of vitamin B12 daily for a month, followed by a maintenance dose of 125–250 mcg per day ( 21 ).

Takedown request   |   View complete answer on healthline.com

How much vitamin B12 should a woman take daily?

The Institute of Medicine's Food and Nutrition Board recommends that healthy adult men and women over 19 years old consume 2.4 micrograms of vitamin B-12 each day. Pregnant women need 2.6 micrograms daily and women who are breastfeeding need 2.8 micrograms daily.

Takedown request   |   View complete answer on healthyeating.sfgate.com

Should people over 65 take B12?

If you are an older adult, you should be taking a supplement for B12 as well as trying to incorporate B12 into your diet. It is vital for good health and cognitive functioning. Studies continue to show all the ways it is beneficial for your overall health.

Takedown request   |   View complete answer on webmd.com

What medications should not be taken with B12?

As summarized in the table provided, vitamin B12 (cobalamin) absorption and utilization by the body can be compromised with the chronic use of certain medications which include: colchicine, chloramphenicol, ethanol, histamine 2 receptor antagonists (H2RA), metformin, and proton pump inhibitors (PPI).

Takedown request   |   View complete answer on ebmconsult.com

How much B12 does a 70 year old need?

With that in mind, let's go back to our initial question: how much vitamin B12 should a person over 65 take? Recent reports suggest that, along with a B12-rich diet, consuming 500 micrograms of B12 in the form of a supplement may help individuals over 65 maintain healthy vitamin B12 levels [2].

Takedown request   |   View complete answer on everlywell.com

What happens if you take too much B12?

However, supplementing with excessively high levels of B12 has been linked to some negative side effects. Several studies have shown that megadoses of the vitamin can lead to outbreaks of acne and rosacea, a skin condition that causes redness and pus-filled bumps on the face.

Takedown request   |   View complete answer on healthline.com

Does B12 affect your eyes?

Disturbed or blurred vision can also occur as a result of a Vitamin B12 deficiency. This happens when the deficiency causes damage to the optic nerve that leads to your eyes. The nervous signal that travels from the eye to the brain is disturbed due to this damage, leading to impaired vision.

Takedown request   |   View complete answer on medanta.org

What are the symptoms of low B12?

Symptoms of vitamin B12 deficiency
  • a pale yellow tinge to your skin.
  • a sore and red tongue (glossitis)
  • mouth ulcers.
  • pins and needles (paraesthesia)
  • changes in the way that you walk and move around.
  • disturbed vision.
  • irritability.
  • depression.

Takedown request   |   View complete answer on nhs.uk

Why is vitamin B12 sold in such high doses?

Doctors tend to prescribe these higher dosages to treat conditions related to very low vitamin B-12 levels, such as pernicious anemia. Although vitamin B-12 appears, for the most part, to be safe — even at higher dosages — more is not necessarily better. There is no need to take very high doses of vitamin B-12.

Takedown request   |   View complete answer on medicalnewstoday.com

Which is better mg or mcg?

Answer: Microgram is smaller than milligrams. In addition, a milligram is preferred over micrograms due to its bigger size.

Takedown request   |   View complete answer on toppr.com

Which fruit is rich in vitamin B12?

Bananas also contain fibre and potassium. It helps manage blood pressure, reduce stress, and relieve constipation and ulcer problems. The fruit also helps regulate body temperature. Another fruit that is rich in vitamin B12 is blueberries.

Takedown request   |   View complete answer on tataaig.com

What level of B12 is concerning?

Values of less than 160 pg/mL (118 pmol/L) are a possible sign of a vitamin B12 deficiency. People with this deficiency are likely to have or develop symptoms. Older adults with a vitamin B12 level less than 100 pg/mL (74 pmol/L) may also have symptoms.

Takedown request   |   View complete answer on mountsinai.org

What food is highest in B12?

Good sources of vitamin B12
  • meat.
  • fish.
  • milk.
  • cheese.
  • eggs.
  • some fortified breakfast cereals.

Takedown request   |   View complete answer on nhs.uk

Which vitamin B12 is best for seniors?

B-Methylated-II is an excellent option for seniors who may have difficulty swallowing pills, and also have greater needs for folate and B12. Methylfolate and B12 are crucial cofactors in one-carbon metabolism and are both required for the breakdown of homocysteine and in neurological health.

Takedown request   |   View complete answer on methyl-life.com

Does B12 help with aging?

With B12 injections, you can enhance the health and overall appearance of your skin, hair, and nails and prevent or repair problems like acne, premature wrinkles, and brittle nails — all of which are common with B12 deficiency.

Takedown request   |   View complete answer on grossmanmed.com