Is it healthy to take B12 daily?

When taken at appropriate doses, vitamin B-12 supplements are generally considered safe. 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.

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Is it OK to take 1000 mcg B12 daily?

Even the lowest doses in B12 supplements are many times the recommended dietary allowance. Doses up to 1,000 mcg, though unnecessary, aren't harmful.

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How often should you take B12?

The National Institutes of Health (NIH) recommends a daily B12 allowance of 2.4 mcg (micrograms) for the average adult. [3] However, vitamin B12 intake can be particularly important for children, and intake requirements can be linearly related to age.

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Is it better to take B12 daily or weekly?

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.

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How long should you take B12 for?

If your vitamin B12 deficiency is not caused by a lack of vitamin B12 in your diet, you'll usually need to have an injection of hydroxocobalamin every 2 to 3 months for the rest of your life.

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The Optimal Vitamin B12 Dosage for Adults

15 related questions found

What is the long term effect of B12?

Neurological changes

memory loss. pins and needles. loss of physical co-ordination (ataxia), which can affect your whole body and cause difficulty speaking or walking. damage to parts of the nervous system (peripheral neuropathy), particularly in the legs.

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What are the symptoms of lacking B12?

Vitamin B12 or folate deficiency anaemia can cause a wide range of symptoms. These usually develop gradually, but can worsen if the condition goes untreated.
  • rapid breathing or shortness of breath.
  • headaches.
  • indigestion.
  • loss of appetite.
  • palpitations.
  • problems with your vision.
  • feeling weak or tired.
  • diarrhoea.

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Is there a downside to taking B12?

Safety and side effects

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

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What does taking B12 everyday do?

Vitamin B12 is a nutrient that helps keep your body's blood and nerve cells healthy and helps make DNA, the genetic material in all of your cells. Vitamin B12 also helps prevent megaloblastic anemia, a blood condition that makes people tired and weak.

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Can you take vitamin D and B12 together?

Fat-soluble and water-soluble vitamins

For example, although it's safe to take vitamin D with vitamin B12, it's not advisable, says Virgilio Sanchez, MD, a board certified family medicine physician at Conviva Care Center in Miami, Florida.

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How soon do you feel less tired after a B12 tablets?

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.

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Are vitamin B12 tablets any good?

B12 (also known as cobalamin) is essential for keeping your brain and nerves healthy and for making DNA and red blood cells. B12 also helps lower levels of homocysteine, an amino acid linked (in high levels) to dementia, heart disease, stroke, and osteoporosis.

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How long after starting vitamin B12 will I feel better?

Once you begin treating your vitamin B12 deficiency, it can take up to six to 12 months to fully recover. It is also common to not experience any improvement during the first few months of treatment. If you can, it's a good idea to address what's causing the deficiency.

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Does B12 give you energy?

While B12 doesn't directly provide energy, it does give the body the tools it needs to convert food molecules into energy. Getting the recommended daily amount of B12 can therefore help ensure that the body is able to make the energy it needs to do everything you need it to do.

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What are the benefits and side effects of vitamin B12?

The body needs vitamin B12 for normal function of the brain and nervous system, the formation of red blood cells, and other critical processes. Deficiencies in vitamin B12 can lead to symptoms like headaches, fatigue, and digestive problems and can even lead to nerve damage and cognitive issues.

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Can you overuse B12?

Can you overdose on vitamin B12? Overdosing on vitamin B12 is unlikely. Because vitamin B12 (cobalamin) is a water-soluble vitamin and your body excretes it daily in your urine, it doesn't build up in the body like fat-soluble vitamins—like vitamin D—do.

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Does B12 help with anxiety?

Vitamin B12 is considered an important brain and nervous system micronutrient and is often used for anxiety. It helps to ensure normal function for your nerves, which can help combat physical symptoms of anxiety.

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Why take B12 at night?

Vitamin B12 works on the pineal gland, which is responsible for the production of melatonin. The vitamin helps increase the production of melatonin during the nighttime hours, as well as release it earlier, making it easier to fall and stay asleep.

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Can B12 cause anxiety?

Vitamin B12 deficiency can have distressing neuropsychiatric symptoms. It can have an etiological role in clinical presentations like depression, anxiety, psychosis, dementia, and delirium, requiring screening of at-risk populations.

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What happens when your body is low on B12?

Key points about vitamin B12 deficiency anemia

Without enough red blood cells, your tissues and organs don't get enough oxygen. Without enough oxygen, your body can't work as well. Symptoms include weak muscles, numbness, trouble walking, nausea, weight loss, irritability, fatigue, and increased heart rate.

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Which fruit is rich in vitamin B12?

Bananas are a cheap, healthy, and nutrient-dense fruit that can easily become a part of every individual's diet. It is one of the best fruits rich in vitamin B12. Bananas also contain fibre and potassium. It helps manage blood pressure, reduce stress, and relieve constipation and ulcer problems.

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How can I get B12 naturally?

Good sources of vitamin B12
  1. meat.
  2. fish.
  3. milk.
  4. cheese.
  5. eggs.
  6. some fortified breakfast cereals.

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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.

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What is the most common cause of B12 deficiency?

Diet. 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.

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