What causes dangerously low B12?

Low levels of vitamin B-12 can be caused by: Diet. Vitamin B-12 is mainly found in meat, eggs and milk, so people who don't eat these types of foods may need to take B-12 supplements. Some foods have been fortified with B-12, including some breakfast cereals and some nutritional yeast products.

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What happens if your B12 is dangerously low?

Key points about vitamin B12 deficiency anemia

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. Treatment may include vitamin B12 supplements.

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What causes severe 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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What is a critically low B12 level?

Patients with B12 levels between 200 and 300 pg/mL are considered borderline, and further enzymatic testing may be helpful in diagnosis. Patients with B12 levels below 200 pg/mL are considered deficient.

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What are the warning signs of vitamin B12 deficiency?

Vitamin B12deficiency symptoms may include:
  • strange sensations, numbness, or tingling in the hands, legs, or feet.
  • difficulty walking (staggering, balance problems)
  • anemia.
  • a swollen, inflamed tongue.
  • difficulty thinking and reasoning (cognitive difficulties), or memory loss.
  • weakness.
  • fatigue.

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⚠️ Top 10 DANGERS of Vitamin B12 Deficiency ▶ BEWARE ❗

30 related questions found

How long does it take to recover from B12 deficiency?

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 low B12 cause weight gain?

Vitamin B12 deficiency can indeed lead to weight gain. But the weight gain is not a direct result of the deficiency. Instead, vitamin B12 deficiency causes lethargy or lack of energy, and in turn, inactivity causes weight gain. When you lack the energy to move, you don't burn fat.

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What foods should be avoided if you have B12 deficiency?

There are certain foods that also need a cut-down in case of vitamin B12 deficiency. “Some foods and drinks can interfere with vitamin B complex intake like alcohol, caffeine and processed foods, etc should be avoided completely,” Shah added.

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Can you feel worse after B12 injection?

While generally safe, common B12 side effects include diarrhea and swelling at the injection site. If you experience more severe side effects, tell your prescribing doctor.

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How long does a B12 injection last?

Though it differs a bit from one person to another, the effects of B12 vitamins usually last around 48 hours to 72 hours after the initial injection.

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Are B12 injections worth it?

People who are deficient in vitamin B12 are often prescribed B12 shots. This method is a very effective way of reversing or preventing a deficiency because it allows for 100% absorption directly into the tissues. These days, vitamin B12 shots have even become popular in people without the vitamin deficiency.

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What should you not do after a B12 shot?

FOR YOUR HEALTH AND WELLBEING, AS WELL AS THE LONGEVITY AND EFFECTIVENESS OF YOUR TREATMENT, PLEASE FOLLOW THE AFTERCARE ADVICE FULLY, Avoid alcohol for 48 hours after your treatment. Avoid strenuous exercise for 48 hours after your treatment.

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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.

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What cancels out B12?

Other medications can also interfere with your uptake of vitamin B12, possibly raising your risk for deficiency. These medications include antacids and peptic ulcer medications, cholesterol-lowering drugs, antiseizure medications, chemotherapy medications, the diabetes treatment glucophage (Metformin) and others.

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Does Weetabix have B12?

Note that organic versions of these products are not fortified with B12. *Many cereals fortified with B12 also contain vitamin D (D3) from lanolin, a substance obtained from sheep's wool. At the time of writing, Weetabix Oatibix Flakes and Weetaflakes both contain B12 and no vitamin D, so are suitable for vegans.

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

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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Does stress use up B12?

Stress is known to deplete our levels of B vitamins, especially vitamin B12. Vegetarians, vegans and those on restricted diets can struggle to get enough vitamin B12 to meet their body's needs.

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Can B12 deficiency affect eyesight?

Vitamin B12 (also known as cobalamin) is an essential vitamin for neurological function. Vitamin B12 deficiency optic neuropathy is a rare complication of this deficiency that results in progressive, bilateral, painless vision loss that is often associated with reduced color vision and central or cecocentral scotomas.

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What is the fastest way to fix B12 deficiency?

Vitamin B12 deficiency anaemia is usually treated with injections of vitamin B12, called hydroxocobalamin. At first, you'll have these injections every other day for 2 weeks or until your symptoms have started improving. Your GP or nurse will give the injections.

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When should I get B12 injections?

Injections are usually for people with bodies that have problems absorbing vitamin B12 and those who have undergone gastric surgery. This is because shots enable the body to absorb vitamin B12 without it having to go through the digestive system.

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Does avocado contain vitamin B12?

There are 13 vitamins the body absolutely needs: vitamins A, C, D, E, K and the B vitamins (thiamine, riboflavin, niacin, pantothenic acid, biotin, vitamin B-6, vitamin B-12 and folate). Avocados naturally contain many of these vitamins, and you can start incorporating them into your diet with our avocado recipes.

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What is the #1 food highest in B12?

Clams. Other body benefits: Not only do clams have the highest concentration of vitamin B12 of any food, they're also filled with potassium.

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What vegetable has the most B12?

Vegetables– Usually, most vegetables contain some amount of Vitamin B12, but there are some Vitamin B12 foods for vegetarians that contain a very high amount of Vitamin B12 namely- Spinach, Beetroot, Potatoes, Mushrooms, alfalfa, and others.

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How do I know if B12 injections are working?

To see how well it's working, your doctor will ask you about your symptoms such as tiredness and lack of energy. They will also give you regular blood tests to monitor the vitamin B12 levels in your blood.

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