How much B12 should a woman take daily?

Left untreated, a vitamin B-12 deficiency can lead to anemia, fatigue, muscle weakness, intestinal problems, nerve damage and mood disturbances. The recommended daily amount of vitamin B-12 for adults is 2.4 micrograms.

Takedown request   |   View complete answer on mayoclinic.org

Is it OK to take 1000 mcg B12 daily?

If you are low in vitamin B12, a common recommended dose for oral supplements is about 1,000 mcg daily. But you should make sure to ask your healthcare provider about how much vitamin B12 you should look for in a supplement.

Takedown request   |   View complete answer on goodrx.com

How much B12 should a woman take?

Most women get the recommended daily amount — 2.4 micrograms (mcg) for most adults, 2.6 mcg for pregnant women, and 2.8 mcg for women who are breastfeeding — in their diets.

Takedown request   |   View complete answer on health.harvard.edu

How much B12 should a woman over 50 take daily?

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 does low B12 feel like?

extreme tiredness (fatigue) lack of energy (lethargy) breathlessness. feeling faint.

Takedown request   |   View complete answer on nhs.uk

The Optimal Vitamin B12 Dosage for Adults

18 related questions found

Is 1000 mcg B12 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

Who should not take B12 supplements?

Who should not take VITAMIN B-12?
  • low amount of potassium in the blood.
  • Leber's hereditary optic atrophy.
  • inflammation of the stomach called atrophic gastritis.
  • past history of complete removal of stomach.

Takedown request   |   View complete answer on webmd.com

When is the best time to take vitamin B12?

Vitamin B12

As a general rule of thumb, take your B vitamins in the morning or with a meal. Vitamin B12, for example, should definitely be taken in the morning. This is because it is important for energy metabolism, which may interrupt your sleep if taken at night.

Takedown request   |   View complete answer on whentheygetolder.co.uk

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

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 is too much?

Although no "Tolerable Upper Intake Level" has been established, there are risks associated with getting too much B-12 from supplements. At a dose of 500 mcg (one-sixth the amount in your supplement), an increased risk of colorectal cancer was reported in a placebo-controlled study of older people.

Takedown request   |   View complete answer on consumerlab.com

What can happen if your B12 level is too high?

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

Are there any dangers in taking B12?

High doses of vitamin B-12, such as those used to treat a deficiency, might cause: Headache. Nausea and vomiting. Diarrhea.

Takedown request   |   View complete answer on mayoclinic.org

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 blocks B12 absorption?

[1] People who regularly take medications that suppress stomach acid for conditions like gastroesophageal reflux disease (GERD) or peptic ulcer disease—such as proton-pump inhibitors, H2 blockers, or other antacids—may have difficulty absorbing vitamin B12 from food.

Takedown request   |   View complete answer on hsph.harvard.edu

How long does it take for vitamin B12 to start working?

It may take a few weeks before your vitamin B12 levels and symptoms (such as extreme tiredness or lack of energy) start to improve. If you have hydroxocobalamin injections to boost your vitamin B12 levels at the start of treatment, the cyanocobalamin tablets may start to work within a few days.

Takedown request   |   View complete answer on nhs.uk

Can you take B12 and drink coffee?

Furthermore, caffeine interferes with the metabolism of certain B vitamins, including thiamine. However, because caffeine increases stomach acid secretion, it actually boosts the absorption of vitamin B12.

Takedown request   |   View complete answer on mdlinx.com

Should B12 be taken with or without food?

Take them with or without food, with one exception: You'll absorb B12 better with a meal. If you also use vitamin C, put 2 hours between them. Vitamin C can keep your body from using B12.

Takedown request   |   View complete answer on webmd.com

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

What is the safest form of B12?

Cyanocobalamin B12 contains a cyanide molecule that gives it stability in products and the body. Cyanide is a poison, of course, but in the minuscule quantities found in Cyanocobalamin, this is of no consequence – it's perfectly safe to take!

Takedown request   |   View complete answer on ivboost.uk

What causes B12 deficiency?

Some people can develop a vitamin B12 deficiency as a result of not getting enough vitamin B12 from their diet. A diet that includes meat, fish and dairy products usually provides enough vitamin B12, but people who do not regularly eat these foods can become deficient.

Takedown request   |   View complete answer on nhs.uk

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 1000mg B12 should I take?

Vitamin B12 dosage and frequency

But dosages can vary depending on if you're treating severe, mild, or asymptomatic B12 deficiency. For vitamin B12 pills, most people take these daily in doses recommended by their doc but taking 1,000 mcg daily is pretty standard.

Takedown request   |   View complete answer on greatist.com

Should I take B12 or B complex?

When it comes to the issue of vitamin B12 vs B complex, both types of vitamins are crucial. If you're lacking B12, consume more of it via supplements or food. If you're lacking vitamin B in general, consider B complex vitamins instead. Overall, both vitamins are essential nutrients.

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

Is it healthy to take B12 daily?

Vitamin B12 is an essential nutrient that must be ingested daily because our bodies don't naturally produce it. B12 is important for many enzymatic processes, such as helping turn the food you eat into usable energy. The recommended daily amount for B12 is 2.4 mcg for adults.

Takedown request   |   View complete answer on naturemade.com