What are the side effects of too little 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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What happens when your vitamin B12 is low?

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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What are the warning signs of vitamin B12 deficiency?

Symptoms of vitamin B12 or folate deficiency
  • extreme tiredness.
  • a lack of energy.
  • pins and needles (paraesthesia)
  • a sore and red tongue.
  • mouth ulcers.
  • muscle weakness.
  • disturbed vision.
  • psychological problems, which may include depression and confusion.

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What is the fastest way to fix B12 deficiency?

How to raise your B12 levels fast. The most common way to treat B12 deficiencies is by adjusting your diet. If this is unsuccessful, vitamin supplements may be recommended. If you're looking to boost the amount of vitamin B12 in your diet, you should eat more animal products, like meat, seafood, dairy and eggs.

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What is the most common cause of B12 deficiency?

Inadequate dietary intake

A balanced diet typically provides sufficient vitamin B12; however, strict vegans and people with a poor diet are at higher risk of developing a deficiency. Good sources of vitamin B12 include: Meat. Fish.

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Vitamin B12 Deficiency Symptoms | B12 Deficiency | Vitamin B12 - All You Need to Know

44 related questions found

What are the 4 stages of B12 deficiency?

Stage 1 is decreased levels of vitamin B12 in the blood. Stage 2 is low concentration of vitamin B12 in the cell and metabolic abnormalities. Stage 3 is increased levels of homocysteine and MMA and decreased DNA synthesis resulting in neuropsychiatric symptoms. Stage 4 is macrocytic anemia.

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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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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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How long does it take to recover from low levels of B12 deficiency?

Recovery from vitamin B12 deficiency takes time. You may not have any improvement during the first few months of treatment. Improvement may be gradual and may continue for up to six to 12 months.

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How soon after taking B12 will I feel better?

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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How can I check my B12 level at home?

Several commercially available test kits allow you to collect a sample for vitamin B12 testing at home. Some kits test only your vitamin B12 level. Others test B12 in combination with other vitamins, and there are at-home micronutrient test kits that include B12 in the panel.

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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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How does B12 deficiency affect your walking?

The NHS notes that vitamin B12 deficiency can cause “loss of physical coordination (ataxia), which can affect your whole body and cause difficulty speaking or walking”. The Mayo Clinic describes the walking style saying a person with vitamin B12 deficiency can walk unsteadily, or with their feet set wide apart.

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What causes B12 deficiency in older adults?

Older people are more likely to get vitamin B12 deficiencies because it is absorbed from food by stomach acid. As you age, however, your stomach acid starts to decline. That's why it is important to get tested for a vitamin B12 deficiency as you age.

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Does a low B12 make you sad all the time?

Deficiency of Vitamin B12 can result in hematological changes, neurological and psychiatric problems, which can manifest as irritability, changes in personality, depression, and memory loss [9]. It is also known to worsen depression by excitotoxic reactions caused by the accumulation of homocysteine [10].

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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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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 are 5 foods high in vitamin B12?

Vitamin B12 is naturally present in foods of animal origin, including fish, meat, poultry, eggs, and dairy products [5]. In addition, fortified breakfast cereals and fortified nutritional yeasts are readily available sources of vitamin B12 that have high bioavailability [12,13].

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What blocks B12 absorption?

Having a digestive system disorder: Digestive disorders such as celiac disease and Crohn's disease can make it more difficult for your body to absorb vitamin B12. Following a strict vegan or vegetarian diet: Vitamin B12 is only naturally found in animal products such as meat and dairy.

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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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How can I restore my B12 naturally?

Food. Large amounts of B12 come from animal products, like red meat and fish. It's also found in poultry, eggs, dairy, and some plant-based or fortified foods. Don't worry if you don't know how to change your diet.

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What age do you get low B12?

Both vitamin B12 deficiency and folate deficiency are more common in older people, affecting around 1 in 10 people aged 75 or over and 1 in 20 people aged 65 to 74.

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