How does vitamin B12 deficiency affect your body. What are the common symptoms of low B12 levels. Can B12 deficiency cause breathing problems. How to recognize and address vitamin B12 deficiency.

Understanding Vitamin B12 and Its Importance

Vitamin B12 plays a crucial role in various bodily functions, including the production of DNA, red blood cells, and supporting the nervous system. This essential nutrient is not produced by the human body, making it necessary to obtain it through diet or supplements. Adults typically require about 2.4 micrograms of vitamin B12 daily to maintain optimal health.

The prevalence of vitamin B12 deficiency ranges from 1.5% to 15% of the population. Given its wide-ranging impact on both physical and mental health, recognizing the symptoms of B12 deficiency is crucial for timely intervention and treatment.

Neurological Symptoms of B12 Deficiency

Pins and Needles Sensation

One of the telltale signs of vitamin B12 deficiency is a tingling or “pins and needles” sensation in the hands and feet. This occurs because B12 is essential for the production of myelin, a protective coating around nerves. Without adequate B12, the body may not produce enough myelin, leading to nerve damage and abnormal sensations, particularly in the peripheral nerves of the extremities.

Movement Problems and Muscle Weakness

As B12 deficiency progresses, it can lead to more severe neurological symptoms. These may include:

• Difficulty walking without support
• Muscle weakness
• Diminished reflexes

These symptoms arise from the ongoing damage to peripheral nerves caused by inadequate myelin production.

Hematological Symptoms and Their Impact

Pale or Jaundiced Skin

A noticeable change in skin color can be an indicator of B12 deficiency. Pale or yellowish skin, known as jaundice, may occur due to the body’s inability to produce enough red blood cells. B12 is crucial for red blood cell production, and its deficiency can lead to megaloblastic anemia.

In this condition, the body breaks down red blood cells more quickly, releasing bilirubin – a brownish substance that gives the skin a yellowish tint characteristic of jaundice.

Fatigue and Weakness

Megaloblastic anemia resulting from B12 deficiency often leads to extreme fatigue. With fewer healthy red blood cells to transport oxygen throughout the body, individuals may experience persistent tiredness and weakness, impacting their daily activities and quality of life.

Cardiovascular Symptoms of B12 Deficiency

Rapid Heart Rate and Shortness of Breath

Can low B12 cause shortness of breath? Yes, it can. A fast heart rate (tachycardia) and shortness of breath are common symptoms of vitamin B12 deficiency. These symptoms occur as the body attempts to compensate for the reduced oxygen-carrying capacity of the blood due to anemia.

The heart may beat faster to circulate the available oxygen more efficiently, while shortness of breath may occur during physical activities as the body struggles to meet its oxygen demands.

Gastrointestinal Symptoms Associated with B12 Deficiency

Digestive Issues and Appetite Changes

Vitamin B12 deficiency can also manifest through various gastrointestinal symptoms, including:

• Nausea
• Vomiting
• Diarrhea or constipation
• Loss of appetite
• Unexplained weight loss

These symptoms may occur due to changes in the digestive tract lining or alterations in gut bacteria balance caused by B12 deficiency.

Cognitive and Psychological Impacts of B12 Deficiency

Memory Problems and Mood Changes

Vitamin B12 plays a vital role in cognitive function and mental health. Deficiency can lead to various neuropsychiatric symptoms, including:

1. Memory loss or forgetfulness
2. Difficulty concentrating
3. Depression
4. Irritability
5. Changes in behavior or personality

These symptoms occur due to the impact of B12 deficiency on brain function and neurotransmitter production.

Visual Disturbances Related to B12 Deficiency

Vision Changes and Eye Health

Can vitamin B12 deficiency affect vision? Indeed, it can. Some individuals with B12 deficiency may experience vision changes, including:

• Blurred or double vision
• Sensitivity to light
• Vision loss in severe cases

These visual disturbances occur due to damage to the optic nerve caused by the lack of B12. Early detection and treatment can help prevent permanent vision problems.

Recognizing and Addressing B12 Deficiency

Diagnostic Approaches and Treatment Options

How is vitamin B12 deficiency diagnosed and treated? Diagnosis typically involves blood tests to measure B12 levels and assess for anemia. Treatment options may include:

1. Oral B12 supplements
2. B12 injections
3. Dietary changes to increase B12 intake
4. Addressing underlying conditions affecting B12 absorption

Early diagnosis and appropriate treatment can help reverse many symptoms of B12 deficiency and prevent long-term complications.

Preventing B12 Deficiency Through Diet

What foods are rich in vitamin B12? Animal-based products are the primary natural sources of B12, including:

• Red meat
• Poultry
• Fish
• Eggs
• Dairy products

For vegetarians and vegans, fortified foods and supplements can help meet B12 requirements. These may include:

• Fortified plant-based milk
• Fortified cereals
• Nutritional yeast
• B12 supplements

Regular consumption of B12-rich foods or supplements is crucial for maintaining adequate levels and preventing deficiency.

Special Considerations for At-Risk Groups

Identifying Populations Prone to B12 Deficiency

Certain groups are at higher risk of developing vitamin B12 deficiency. These include:

1. Older adults
2. Individuals with gastrointestinal disorders (e.g., Crohn’s disease, celiac disease)
3. Those who have undergone gastrointestinal surgery
4. Strict vegetarians and vegans
5. Individuals taking certain medications (e.g., metformin, proton pump inhibitors)

These groups may require more frequent monitoring of B12 levels and may benefit from targeted supplementation strategies.

Tailored Approaches for Different Age Groups

How does B12 deficiency manifest differently across age groups? While the core symptoms remain similar, their presentation and impact can vary:

• In infants: Developmental delays, failure to thrive
• In children: Learning difficulties, growth problems
• In adults: Fatigue, neurological symptoms, mood changes
• In older adults: Cognitive decline, balance problems, increased fall risk

Tailored screening and intervention strategies are essential to address the unique needs of each age group.

The Role of B12 in Overall Health and Wellbeing

Beyond Deficiency: Optimal B12 Levels for Health

While preventing deficiency is crucial, maintaining optimal B12 levels can have far-reaching benefits for overall health. Adequate B12 intake may contribute to:

• Enhanced energy levels
• Improved cognitive function
• Better mood regulation
• Stronger immune system
• Healthier skin, hair, and nails

Regular check-ups and proactive nutrition strategies can help individuals maintain optimal B12 levels for peak health and wellbeing.

Emerging Research on B12 and Health

What new insights are emerging about vitamin B12 and health? Recent studies have explored potential links between B12 and various health outcomes, including:

1. Cardiovascular health
2. Bone density and osteoporosis risk
3. Cognitive function and dementia prevention
4. Pregnancy outcomes and fetal development

While more research is needed to fully understand these connections, maintaining adequate B12 levels appears to have wide-ranging health benefits beyond preventing deficiency symptoms.

Integrating B12 Awareness into Holistic Health Practices

Complementary Approaches to B12 Optimization

How can individuals optimize their B12 status as part of a holistic health approach? Consider these strategies:

• Regular nutritional assessments
• Mindful eating practices focusing on B12-rich foods
• Stress management techniques to support nutrient absorption
• Adequate hydration to support cellular function
• Regular exercise to enhance nutrient utilization

Integrating B12 awareness into overall health practices can contribute to improved wellbeing and vitality.

The Future of B12 Supplementation and Testing

What advancements are on the horizon for B12 supplementation and testing? Emerging technologies and research are focusing on:

1. More accurate and accessible B12 testing methods
2. Personalized supplementation strategies based on genetic factors
3. Novel delivery methods for B12 supplements
4. Integration of B12 monitoring into wearable health devices

These developments may revolutionize how we approach B12 deficiency prevention and treatment in the future.

Understanding the diverse symptoms of vitamin B12 deficiency, from shortness of breath to neurological issues, is crucial for early detection and treatment. By recognizing these signs and maintaining adequate B12 levels through diet or supplementation, individuals can safeguard their health and wellbeing. Regular check-ups, awareness of risk factors, and a proactive approach to nutrition can help prevent the potentially serious consequences of B12 deficiency.

11 symptoms of vitamin B-12 deficiency

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission Here’s our process.

Medical News Today only shows you brands and products that we stand behind.

Our team thoroughly researches and evaluates the recommendations we make on our site. To establish that the product manufacturers addressed safety and efficacy standards, we:

• Evaluate ingredients and composition: Do they have the potential to cause harm?
• Fact-check all health claims: Do they align with the current body of scientific evidence?
• Assess the brand: Does it operate with integrity and adhere to industry best practices?

We do the research so you can find trusted products for your health and wellness.

Read more about our vetting process.

Was this helpful?

Symptoms of vitamin B-12 deficiency include fatigue, low mood, and nerve problems.

The human body does not create vitamin B-12, so people must get this nutrient from their diet. It is crucial for making DNA and red blood cells, and it helps support the nervous system.

Vitamin B-12 plays a vital role in the production of blood cells.

Many of the symptoms of vitamin B-12 deficiency arise because it causes a lack of healthy blood cells. The body needs plenty of these cells to get oxygen around the body and keep the organs in good health.

A vitamin B-12 deficiency can lead to both physical and psychological problems. In this article, we explore 11 symptoms of vitamin B-12 deficiency and explain why they occur.

Share on PinterestVitamin B-12 deficiency can cause symptoms that impact a person’s mental and physical health.

Vitamin B-12 deficiency may affect between 1.5 and 15.0 percent of people.

This deficiency can cause a wide range of symptoms that affect a person’s mental and physical health.

It is important to consume foods that contain vitamin B-12 on a regular basis. Adults need around 2.4 micrograms (mcg) of vitamin B-12 each day.

Vitamin B-12 is a water-soluble vitamin that is present in animal-based foods, such as:

• red meat
• poultry
• eggs
• dairy
• fish

If a person does not eat animal products, they will need to add vegetarian and vegan sources of vitamin B-12 to their diet. These include fortified cereals, plant milks, bread, and nutritional yeast.

As vitamin B-12 deficiency shares many symptoms with other nutritional deficiencies and health conditions, it is possible that people may neither notice it nor get a diagnosis.

Being aware of all of the signs can help people identify the deficiency and seek treatment.

Below, we look at the symptoms of vitamin B-12 deficiency and their causes.

Vitamin B-12 deficiency may cause “pins and needles” in the hands or feet. This symptom occurs because the vitamin plays a crucial role in the nervous system, and its absence can cause people to develop nerve conduction problems or nerve damage.

In the nervous system, vitamin B-12 helps produce a substance called myelin. Myelin is a protective coating that shields the nerves and helps them transmit sensations.

People who are vitamin B-12 deficient may not produce enough myelin to coat their nerves. Without this coating, nerves can become damaged.

Problems are more common in the nerves in the hands and feet, which are called peripheral nerves. Peripheral nerve damage may lead to tingling in these parts of the body.

For more in-depth resources about vitamins, minerals, and supplements, visit our dedicated hub.

Was this helpful?

Over time, peripheral nerve damage resulting from vitamin B-12 deficiency can lead to movement problems.

Numbness in the feet and limbs may make it hard for a person to walk without support. They may also experience muscle weakness and diminished reflexes.

Pale or yellow skin, called jaundice, may be a symptom of vitamin B-12 deficiency.

Jaundice develops when a person’s body is not able to produce enough red blood cells. Red blood cells circulating under the skin provide it with its normal color. Without enough of these cells, the skin may look pale.

Vitamin B-12 plays a role in the production of red blood cells. A vitamin B-12 deficiency can cause a lack of red blood cells, or megaloblastic anemia, which has an association with jaundice.

This type of anemia can also weaken the red blood cells, which the body then breaks down more quickly. When the liver breaks down red blood cells, it releases bilirubin. Bilirubin is a brownish substance that gives the skin the yellowish tone that is characteristic of jaundice.

Megaloblastic anemia due to vitamin B-12 deficiency may lead to a person feeling fatigued.

Without enough red blood cells to carry oxygen around their body, a person can feel extremely tired.

Share on PinterestA fast heart rate and shortness of breath may be symptoms of vitamin B-12 deficiency.

A fast heart rate may be a symptom of vitamin B-12 deficiency.

The heart may start to beat faster to make up for the reduced number of red blood cells in the body.

Anemia puts pressure on the heart to push a higher volume of blood around the body and to do it more quickly. This response is the body’s way of trying to ensure that enough oxygen circulates through all of the body’s systems and reaches all the organs.

Anemia that results from vitamin B-12 deficiency may cause a person to feel a little short of breath. It is possible to link this to a lack of red blood cells and a fast heartbeat.

Anyone who is experiencing real difficulty breathing should see a doctor straight away.

Vitamin B-12 affects oral health. As a result, being deficient in vitamin B-12 may cause the following mouth problems:

• glossitis, which causes a swollen, smooth, red tongue
• mouth ulcers
• a burning sensation in the mouth

These symptoms occur because vitamin B-12 deficiency causes a reduction in red blood cell production, which results in less oxygen reaching the tongue.

Vitamin B-12 deficiency may cause problems with thinking, which doctors refer to as cognitive impairment. These issues include difficulty thinking or reasoning and memory loss.

One study even linked low vitamin B-12 levels to an increased risk of Alzheimer’s disease, vascular dementia, and Parkinson’s disease.

The reduced amount of oxygen reaching the brain might be to blame for the thinking and reasoning problems.

Being deficient in vitamin B-12 can affect a person’s mood, potentially causing irritability or depression.

There is a need for more research into the link between vitamin B-12 and mental health. One theory is that vitamin B-12 helps break down a brain chemical called homocysteine. Having too much homocysteine in the brain may cause mental health problems.

Vitamin B-12 deficiency can affect the digestive tract.

A lack of red blood cells means that not enough oxygen reaches the gut. Insufficient oxygen here may lead to a person both feeling and being sick. It may also cause diarrhea.

As a result of digestive problems, such as nausea, people with vitamin B-12 deficiency may lose their appetite. A decreased appetite can lead to weight loss in the long term.

Share on PinterestEating a vegan diet increases the risk of vitamin B-12 deficiency.

Even if a person gets enough vitamin B-12 in their diet, some underlying health conditions can affect the absorption of vitamin B-12 in the gut.

These conditions include:

• Crohn’s disease
• celiac disease
• atrophic gastritis
• pernicious anemia

The following factors make a person more likely to have a vitamin B-12 deficiency:

• being older, because a person becomes less able to absorb B-12 as they age
• eating a vegetarian or vegan diet
• taking anti-acid medication for an extended period
• weight loss surgery or other stomach surgery, which can affect how the digestive system absorbs vitamin B-12

Most people can get enough vitamin B-12 from dietary sources. For those who cannot, a doctor may prescribe or recommend B-12 supplements. People can also get B-12 supplements from drug stores or choose between brands online.

Most multivitamins contain vitamin B-12. People can take B-12 supplements in the form of oral tablets, sublingual tablets that dissolve under the tongue, or injections. A doctor can provide advice on the correct dosage of this vitamin.

People who have trouble absorbing vitamin B-12 may need shots of the vitamin to treat their deficiency.

A doctor can advise people on the best way to prevent vitamin B-12 deficiency, depending on their dietary choices and health.

The body needs vitamin B-12 for a range of bodily functions, which include making red blood cells. Being deficient in vitamin B-12 causes physical and psychological symptoms, including nerve problems, fatigue, and difficulty thinking.

Most vitamin B-12 deficiency symptoms occur due to a lack of red blood cells, which means that the body does not get enough oxygen. The body’s oxygen supply is crucial for many aspects of health.

As with other nutrients, the best way for most people to get vitamin B-12 is in the diet. If a person cannot get enough from their usual diet, fortified foods and other dietary supplements may help.

In most cases, doctors can treat vitamin B-12 deficiency. However, people with long-term deficiency may have long-lasting effects, such as nerve damage.

Spotting the signs of vitamin B-12 deficiency early on and getting the right treatment can improve a person’s outlook.

Vitamin B12 deficiency: Symptoms, complications, and more

A vitamin B12 deficiency can lead to nerve and brain damage and anemia. Early symptoms include weakness, constipation, and depression. It can result from dietary factors, medication use, and some underlying conditions.

Vitamin B12 is vital for creating and maintaining nerve and red blood cells, it supports the nervous system, and it helps create DNA, the basis of all cells.

Without treatment, vitamin B12 deficiency can lead to anemia. It can also result in nerve and brain damage. According to the Office of Dietary Supplements (ODS), the damage may be irreversible in the long term.

This article looks at how to recognize B12 deficiency, who is at risk, and how to treat or prevent it.

Learn more about the B vitamins here.

According to the National Health Service (NHS) in the United Kingdom, a person with vitamin B12 deficiency may develop anemia and other symptoms.

Low levels of B12 can lead to:

• fatigue and weakness
• constipation
• loss of appetite and weight loss
• problems with balance
• depression
• problems with thinking
• a sore mouth or tongue

In infants, signs of a deficiency include:

• not growing or developing at the expected rate
• problems with movement
• megaloblastic anemia

Anemia and neurological problems can lead to further symptoms and complications.

Anemia

Body cells need vitamin B12 to reproduce. If a person does not have enough vitamin B12, their body cannot make enough red blood cells. This can result in anemia.

The hallmark symptom of B12 deficiency is megaloblastic anemia, in which the red blood cells are immature and larger than usual. This affects their ability to deliver oxygen effectively to the body.

Common symptoms of anemia are:

• fatigue
• shortness of breath
• feeling faint
• headaches
• pale or yellowish skin
• heart palpitations
• tinnitus (ringing in the ears)
• reduced appetite and weight loss

Neurological symptoms

A vitamin B12 deficiency can also lead to neurological symptoms, such as:

• numbness and tingling in the hands and feet
• problems with thinking and memory
• confusion
• problems with balance
• changes in gait and other movements

Long-term B12 deficiency may increase the risk of various health problems. One reason for this may be that the body needs vitamin B12 to process homocysteine.

Experts have found links between high levels of homocysteine and some health conditions, such as dementia and cardiovascular disease.

Dementia and thinking

Low levels of vitamin B12 may affect brain health in the long term and increase the risk of cognitive decline.

Depending on the person’s age, it may lead to:

• reduced school performance in children
• irritability
• memory loss
• depression
• dementia

Some research has found higher levels of homocysteine in people with Alzheimer’s and dementia.

In 2012, researchers published the results of a study involving 121 people aged 65 years and over.

First, they tested the participants’ blood to identify levels of vitamin B12 and other markers of B12 deficiency. They also assessed their memories and other thinking skills.

After 52 months, they carried out MRI scans of the participants’ brains. They checked for brain size and any signs of brain damage.

Results showed that those with the strongest signs of vitamin B12 deficiency in the initial tests were much more likely to have lower cognitive test scores and smaller total brain volumes after 52 months.

Neurological damage

Studies have shown that 20–30% of people with B12 deficiency have neurological damage, such as:

• nerve damage
• damage to the spinal cord
• neurological problems that affect mental health

Cardiovascular disease

Experts have also found high levels of homocysteine in people with coronary heart disease and stroke.

However, there is not enough evidence to recommend B12 supplementation to prevent heart disease.

Energy levels

Some people use B12 supplements to boost energy levels and athletic performance. However, supplements only appear to help if a person already has a deficiency.

The amount of vitamin B12 an individual needs per day will depend on their age. People also need more B12 during pregnancy and while breastfeeding.

According to the ODS, the average daily recommended amounts for different ages in micrograms (mcg) are:

A B12 deficiency can occur if a person does not consume enough of the vitamin in their diet or if their body cannot absorb it effectively during digestion.

When a person consumes food that contains vitamin B12, the body takes two steps to absorb it.

First, hydrochloric acid in the stomach separates it from the protein it binds to in food.

Then, vitamin B12 combines with another protein that the stomach produces, called intrinsic factor. Then, the intestines can absorb it.

Here are some possible causes of vitamin B12 deficiency.

1) Pernicious anemia

Pernicious anemia is an autoimmune disease that affects the gut’s ability to digest vitamin B12.

When a person has pernicious anemia, their immune system creates antibodies that attack the stomach’s lining. There, they damage cells that produce intrinsic factor.

If the stomach cannot produce intrinsic factor, the intestines will be unable to absorb vitamin B12.

2) Bowel problems

Some people may have problems absorbing vitamin B12 into their bloodstream because of a condition that affects their stomach or small intestine.

Possible causes include:

• Crohn’s disease
• celiac disease
• surgery that reduces the size of the stomach or the length of the intestine

These people can experience malnutrition because they cannot absorb enough vitamins, water, and other nutrients.

3) Diet

People who follow a vegan or vegetarian diet may have a higher risk of B12 deficiency. During pregnancy, this may increase the risk of neurological damage in a fetus.

While some plant foods contain vitamin B12, it is often in a form that the body cannot absorb efficiently, according to research published in 2013.

People who follow a plant-based diet can supplement their B12 intake by eating fortified foods, such as nutritional yeast products.

4) Medications

Some medications can affect the body’s ability to digest vitamin B12, leading to a deficiency.

Examples include proton pump inhibitors (PPIs) and Histamine h3 receptor agonists (h3 blockers), which doctors prescribe to treat indigestion, heartburn, and gastroesophageal reflux disease (GERD).

PPIs prevent the stomach from producing acid, but the body needs acid to absorb vitamin B12.

5) Functional vitamin B12 deficiency

Some people appear to have enough vitamin B12 in their blood, but they do not have the proteins they need to transport it between cells. This means the body cannot use it effectively.

They can develop neurological symptoms related to B12 deficiency.

To assess for a vitamin B12 deficiency, a doctor will likely:

• ask about symptoms
• carry out a physical examination
• do a blood test to measure B12 levels and check for anemia
• do other tests to rule out other conditions and check for pernicious anemia, if necessary

Some people will have a B12 deficiency but no symptoms. A doctor may recommend regular testing for people with long-term gastrointestinal problems to ensure a deficiency does not develop.

Getting an early diagnosis can help prevent long-term complications.

Treatment will depend largely on the cause of a deficiency.

Options include increasing vitamin B12 intake through:

• intramuscular injections
• oral medicine
• adding foods that are rich in B12 to the diet

Some people may need regular injections for the rest of their life.

Most people can prevent B12 deficiency through dietary choices, but this is not always the case.

People following a plant-based diet

People whose diet is largely or wholly plant-based should ensure their B12 intake is adequate.

Dietary options include:

• fortified breakfast cereals
• fortified nutritional yeast
• fortified soy milk

Learn more about supplements that are suitable for people on a vegan diet.

People who eat meat or fish

For those who eat meat or fish, a balanced diet containing fish, meat, and dairy foods should have enough B12 for human requirements.

Other conditions and medical treatments

Anyone who has a chronic gastrointestinal condition or believes they may have symptoms of B12 deficiency should seek medical advice.

The doctor will seek to identify the cause and treat it accordingly.

Good sources of vitamin B12 include the following:

• clams
• beef liver
• fish, such as trout, salmon, and tuna
• nutritional yeast
• dairy products
• eggs
• fortified yeasts and other foods

Get some more tips here on vitamin B12 sources.

Vitamin B12 is essential for preventing anemia and maintaining neurological health. It may help prevent dementia and heart disease.

A balanced diet can often help prevent a deficiency. People who eat only plant-based foods may consider including fortified foods or asking a doctor about supplements.

A doctor may also recommend supplements if a person has pernicious anemia, Crohn’s disease, or another condition that affects their ability to absorb vitamin B12.

Vitamin B12 deficiency symptoms

January 25, 2023 – Bhumika Singh, Webmedy team

Update – July 12, 2023

1. Webmedy Blog
2. Health & Fitness 9 0009
3. Food and nutrition
4. Vitamin B12 deficiency symptoms

Vitamin B12 is an essential nutrient your body needs for processes such as DNA synthesis, energy production, and brain and central nervous system function. It plays an important role in the formation of red blood cells. It plays an important role in the metabolism of every cell in the body, as well as in DNA synthesis. Vitamin B12 deficiency can cause anemia, fatigue, nerve damage, and other problems.

Loading…

Subscribe to the Webmedy Youtube channel for the latest videos

Loading…

Causes of vitamin B12 deficiency

• malabsorption 90 032

  Vitamin B12 malabsorption can be caused by many causes such as anemia in autoimmune gastritis, surgical removal of the stomach, chronic inflammation of the pancreas, intestinal parasites, genetic disorders, and certain medications.

  Because the ability to absorb B12 from food decreases with age, deficiency is more common in older people. However, B12 deficiency can also occur in children and young adults.

• Inadequate diet

  Vitamin B12 deficiency can be caused by malnutrition or improper diet, such as a vegetarian diet.

Vitamin B12 deficiency symptoms

Vitamin B12 is an essential nutrient needed for the proper functioning of the brain and nervous system, and for the formation of red blood cells. Vitamin B12 deficiency can cause a variety of symptoms.

Let’s look at the 5 main symptoms of vitamin B12 deficiency.

• Fatigue and weakness

  Vitamin B12 is essential for the production of red blood cells, which are responsible for carrying oxygen from the lungs to the tissues of the body. When the body is deficient in vitamin B12, it can lead to a decrease in the number of red blood cells, leading to a condition called anemia.

  Anemia can cause a range of symptoms including fatigue, weakness, shortness of breath and dizziness. Oxygen is necessary for the production of energy in the body, and without it, the cells and tissues of the body cannot function normally. Shortness of breath occurs due to the fact that the body does not receive enough oxygen due to a decrease in the number of red blood cells. Dizziness can also occur due to a lack of oxygen in the brain.

  Vitamin B12 is involved in the metabolism of carbohydrates, fats and proteins, which are the main sources of energy in the body. Without enough vitamin B12, the body’s ability to produce energy from these nutrients is reduced, leading to fatigue and weakness.

• Neurological problems

  Studies have shown that vitamin B12 deficiency can cause changes in the structure and function of the brain, which can lead to cognitive decline and memory loss. Vitamin B12 plays an important role in the production of myelin, a fatty substance that forms a protective sheath around nerve fibers in the brain. Without enough vitamin B12, the myelin sheath can be damaged, causing problems with nerve impulse transmission and cognitive function.

  Vitamin B12 plays a role in the synthesis of neurotransmitters such as serotonin and dopamine, which are important for mood, memory and cognitive functions. Without enough vitamin B12, the production of these neurotransmitters can be disrupted, which can lead to cognitive decline and memory loss.

  Nerve damage caused by vitamin B12 deficiency can cause numbness or tingling in the hands and feet. Vitamin B12 deficiency can cause difficulty walking and balance problems.

• Mouth and tongue problems

  Vitamin B12 is essential for the proper functioning of the cells in the mouth and digestive system. When the body is deficient in vitamin B12, it can lead to a condition called glossitis, which is an inflammation of the tongue. Glossitis causes swelling, redness, and soreness of the tongue, making it difficult and painful to eat or speak.

  Vitamin B12 deficiency can also lead to cold sores or sores, which are small, painful sores that develop in the mouth. These sores can occur on the tongue, lips, gums, or inside of the cheeks. Vitamin B12 deficiency can weaken the immune system, making it easier for bacteria to infect the mouth and cause ulcers.

• Digestive problems

  Vitamin B12 plays an important role in the proper functioning of the digestive system, including the absorption of nutrients and the regulation of bowel movements. When the body is deficient in vitamin B12, it can lead to a change in bowel habits. Studies have shown that vitamin B12 deficiency can lead to gastrointestinal symptoms such as constipation, diarrhea, bloating, and loss of appetite. These symptoms may be related to disruption of the normal digestive processes, which can affect the movement of food through the intestines.

  Vitamin B12 deficiency can lead to a condition called bacterial overgrowth in the small intestine. It occurs when there is an overgrowth of bacteria in the small intestine, which can lead to gastrointestinal symptoms such as diarrhea, bloating, and abdominal pain.

• Vision problems

  Vitamin B12 is important for the proper functioning of the nervous system, including the nerves that control vision. When the body is deficient in vitamin B12, it can cause neurological symptoms, including vision problems. Research has shown that vitamin B12 deficiency can cause changes in the optic nerve, which is responsible for transmitting visual information from the eyes to the brain. This can lead to vision problems such as blurred vision, double vision or blurred vision.

Summary

Vitamin B12 supplements can interact with certain medications, such as metformin used for diabetes, proton pump inhibitors used for acid reflux, and some antibiotics. Taking more than the recommended dose of vitamin B12 can cause side effects such as acne, diarrhea, and upset stomach. Although vitamin B12 is generally considered safe, long-term use of high doses can cause skin reactions and problems such as anemia.

People also ask

What are the symptoms of vitamin B12 deficiency?

Vitamin B12 deficiency symptoms may be subtle and vary from person to person. These may include fatigue, weakness, constipation, loss of appetite, weight loss, and megaloblastic anemia. Neurological problems may also occur, such as numbness and tingling in the hands and feet. Other symptoms include balance problems, depression, confusion, poor memory, and sore mouth or tongue.

How long does it take for B12 deficiency symptoms to appear?

How quickly B12 deficiency symptoms appear can depend on a variety of factors, including a person’s diet, age, and general health. Typically, symptoms may appear within a few months to a year after the body’s stores of vitamin B12 begin to deplete. However, in some cases, it can take years for symptoms to appear, especially if the deficiency is caused by a gradual decrease in the ability to absorb B12.

Can vitamin B12 deficiency cause fatigue?

Yes, fatigue is one of the most common symptoms of vitamin B12 deficiency. This is because the body needs B12 to produce red blood cells, which carry oxygen throughout the body. Without enough oxygen in the cells, a person can feel tired and weak.

What mental symptoms can vitamin B12 deficiency cause?

Vitamin B12 deficiency can cause a range of psychiatric symptoms, including depression, mood swings, confusion and memory loss. In severe cases, this can lead to dementia. These effects are thought to be related to the role of vitamin B12 in brain function and neurotransmitter synthesis.

Is hair loss a sign of vitamin B12 deficiency?

Although less common, vitamin B12 deficiency can contribute to hair loss. B12 helps in the production of red blood cells, which carry oxygen to all cells in the body, including hair follicles. Without enough oxygen, hair follicles will not be able to grow new hair efficiently.

Can vitamin B12 deficiency cause skin problems?

Yes, vitamin B12 deficiency can lead to skin problems. These can include hyperpigmentation (dark, discolored areas of the skin), vitiligo (loss of skin color in patches), hair changes, and angular stomatitis (cracks at the corners of the mouth).

Can vitamin B12 deficiency cause anemia?

Yes, one of the most common consequences of vitamin B12 deficiency is a type of anemia called megaloblastic anemia. This is characterized by the production of larger than normal red blood cells that do not function properly, resulting in less oxygen being transported to the body’s cells.

Is shortness of breath a symptom of vitamin B12 deficiency?

Yes, shortness of breath can be a symptom of vitamin B12 deficiency. It is usually associated with anemia caused by oxygen deficiency, which results in the body’s cells not getting enough oxygen.

Can vitamin B12 deficiency lead to weight gain or weight loss?

Vitamin B12 deficiency can sometimes lead to weight loss due to loss of appetite. However, it is less likely to cause weight gain. Weight changes are usually not the primary symptoms of a B12 deficiency and may also indicate other health problems.

How does vitamin B12 deficiency affect the digestive system?

Vitamin B12 deficiency can affect the digestive system, causing symptoms such as nausea, loss of appetite, constipation and weight loss. It can also lead to a swollen and inflamed tongue and mouth ulcers.

Can vitamin B12 deficiency cause neurological problems?

Yes, vitamin B12 deficiency can lead to neurological problems. These may include numbness and tingling in the arms and legs, balance problems, and depression. Severe, prolonged deficiency can even lead to permanent damage to the nervous system.

Is blurry vision a sign of vitamin B12 deficiency?

Blurred vision can occur with vitamin B12 deficiency due to optic neuropathy, a condition in which the optic nerve leading to the eye is damaged. This is a less common symptom, but it requires immediate attention to prevent long-term vision damage.

Can vitamin B12 deficiency cause muscle weakness?

Yes, muscle weakness can be a sign of vitamin B12 deficiency. This is usually due to anemia or low oxygen levels in the cells, which can make it difficult for the muscles to function optimally.

Is difficulty walking a sign of vitamin B12 deficiency?

Yes, difficulty walking can be a symptom of a severe vitamin B12 deficiency. This is often due to the neurological impact of the deficiency, which can affect balance and coordination.

Can vitamin B12 deficiency cause mood changes?

Yes, mood changes, including depression and irritability, can be symptoms of vitamin B12 deficiency. Vitamin B12 plays a role in the production of brain chemicals that affect mood and other brain functions.

Can a lack of vitamin B12 cause tongue problems?

Yes, vitamin B12 deficiency can lead to a condition known as glossitis, in which the tongue becomes swollen, inflamed, and sometimes painful. It can also lead to changes in the way a person talks and eats.

Is numbness or tingling a symptom of vitamin B12 deficiency?

Yes, numbness or tingling in the hands and feet, also known as peripheral neuropathy, can be a symptom of vitamin B12 deficiency. This is due to the role that B12 plays in the healthy functioning of the nervous system.

Can vitamin B12 deficiency cause memory problems?

Yes, memory problems, confusion, and even dementia can be symptoms of severe vitamin B12 deficiency. This is due to B12’s critical role in brain function and the formation of red blood cells that deliver oxygen to the brain.

How does vitamin B12 deficiency affect heart health?

Vitamin B12 deficiency can indirectly affect heart health by increasing blood levels of homocysteine, an amino acid. High homocysteine ​​levels have been associated with an increased risk of heart disease.

Can a vitamin B12 deficiency lead to a weakened immune system?

While vitamin B12 is essential for healthy nerve tissue, brain function, and red blood cell production, its role in the immune system is less clear. However, since vitamin B12 is involved in cellular function and replication, its deficiency can lead to reduced immune function. More research is needed in this area.

Recommended

Food & Nutrition

6 Top Reasons Salmon Can Help You Live Long & Healthy

January 22, 2023

Food & Nutrition

Health Benefits of Garlic | Raw Garlic Benefits

Jan 10, 2023

Food & Nutrition

Ten Surprising Health Benefits of Lemons

Jan 18, 2023

Food & Nutrition

Algae Health Benefits: Hidden health treasure of the underwater world

June 22, 2023

Genetics

Epigenetics: a tipping point in our fight against cancer

June 24, 2023

Food and nutrition

Grapefruit – hidden treasure e health benefits?

June 11, 2023

Food and nutrition

Jackfruit – this fruit can solve all your health problems!

June 10, 2023

Health & Fitness

Mindful Communication: The Secret to Better Relationships and Feeling Better

June 21, 2023

Food and nutrition

What happens if you start eating kiwi every day? | Benefits of Kiwifruit

June 1, 2023

Men’s Health

Boosting Testosterone: The Top 5 Science-Based Methods to Boost Testosterone Naturally

June 20, 2023

Food and Nutrition

90 192 Bottle gourd: a magic potion for your health? | Top 10 Health Benefits of Bottle Gourd!

May 18, 2023

Health & Fitness

Travel – its amazing benefits for your mental health and well-being

June 17, 2023

Food and nutrition

Passion fruit: a secret for a long time and a healthy life? Top 10 Health Benefits of Passion Fruit!

May 17, 2023

Food & Nutrition

Quinoa’s Top 5 Health Benefits That Make Quinoa a Powerful Grain!

May 16, 2023

Food and nutrition

The Amazing 10 Health Benefits of Strawberries

May 9, 2023

Health & Fitness

The Benefits of Reading for Your Mental Health

June 8, 2023

Food & Nutrition 900 03

Top 5 health benefits of mango | Fruits rich in fiber and potassium

March 2, 2023

Sleep

The power of white noise and soundscapes for quality sleep: how environmental sounds can improve your sleep

June 7, 2023

Food & Nutrition

Top 5 Health Benefits of Lentils | Lentils for Healthy Weight Loss

February 26, 2023

Neurology

Meditation: Connecting to the Brain: How Meditation Changes Brain Structure and Function

June 7, 2023

Food and Nutrition

901 92 Is cabbage good for you? | Top 5 Health Benefits of Kale

February 25, 2023

Men’s Health

Discover Testosterone: A Powerful Hormone That Controls Your Body’s Health

June 6, 2023

Food & Nutrition

8 health benefits of green tea | The Power of Green Tea

February 24, 2023

Diet and Weight Management

Intermittent Fasting: Learn the Benefits of Intermittent Fasting for Weight Management and Overall Health

June 6, 2023

Food and Nutrition 9 0003

5 key benefits flaxseed for health | Rich in omega-3 fatty acids and fiber

February 23, 2023

Artificial intelligence

How can AI be used to solve public health problems?

June 5, 2023

Food & Nutrition

Top 5 Health Benefits of Papaya

February 21, 2023

Wearable Technology

telehealth

June 4, 2023

Food & Nutrition

Top 7 Health Benefits of Chia Seeds

February 19, 2023

Beauty & Body Care

Coconut Oil: Natural Beauty Secret

June 3, 2023

Food & Nutrition

Top 10 Health Benefits of Broccoli 90 193

February 19, 2023

Health and Fitness

Is natural therapy the best stress reliever you’ve been ignoring? | Natural Therapy for General Wellness

June 2, 2023

Food and Nutrition

Top 5 health benefits of cabbage

February 17, 2023

Food & Nutrition

Top 5 health benefits of eggs | Why You Should Eat Them Every Day

February 16, 2023

Health and Fitness

The Power of Positive Thinking: The Life-Changing Benefits of Positive Thinking

May 27, 2023

Food and Nutrition

9019 2 6 main benefits of pomegranate for Health

February 15, 2023

Women’s Health

Prenatal Nutrition: How to Optimize Your Diet for a Healthy Pregnancy

May 23, 2023

Food and Nutrition

Top 5 Health Benefits of Spinach | How Spinach Boosts Your Health

February 14, 2023

Health & Fitness

Hydrating Magic: How Drinking Enough Water Changes Your Skin, Hair and Body

May 19, 2023

Food & Nutrition

7 Surprising Health Benefits of Sweet Potatoes

February 13, 2023

How to Diagnose Vitamin B12 Deficiency Without Testing: Signs and Advice from a Doctor

https://rsport. ria.ru/20210705/b12-1739852348.html

90 002 How to determine vitamin B12 deficiency without tests: signs and advice from a doctor

How to determine vitamin B12 deficiency without tests: signs and advice from a doctor0003

B12 is one of the most important vitamins in the human body. Many vital processes depend on it. So, water-soluble vitamin B12 is necessary for… RIA Novosti Sport, 20.08.2021

2021-07-05T04:20 3

healthy

health

vitamins

/html/head/meta[@name=’og:title’]/@content

/html/head/meta[@name=’og:description’]/@content

https:/ /cdnn21.img.ria.ru/images/155161/58/1551615886_0:62:2000:1187_1920x0_80_0_0_e60421c89d73dc41f4bb3e4e5dd12fb8.jpg

MOSCOW, July 5 – RIA Novosti. B12 is one of the most important vitamins in the human body. Many vital processes depend on it. So, water-soluble vitamin B12 is necessary for the formation of red blood cells, it also synthesizes RNA and DNA, amino acids and proteins, ensures the functioning of the nervous system. Most of vitamin B12 is found in fish, meat, poultry, dairy products and eggs. Liver, mackerel and beef are especially rich in them. However, it turns out that many people suffer from B12 deficiency and even anemia. Older people, vegans, diabetics, and people taking antacids are at risk. It can be extremely difficult to diagnose a lack of this vitamin in the body, but there are common signs that you can recognize on your own. First of all, skin color. In people with B12 deficiency, it is very pale or icteric. This skin condition is associated with a lack of red blood cells, which are destroyed, causing an excess of bilirubin. Bilirubin is produced in the liver and is the result of the breakdown of dying blood cells. A large amount of this substance in the body gives the skin and whites of the eyes a yellowish tint. Constant weakness and fatigue are also important signals of B12 deficiency. As in the first case, erythrocytes are also to blame here, because they carry oxygen to the cells. With its deficiency, hypoxia develops: a person feels constant drowsiness, shortness of breath and dizziness. Another feature of vitamin B12 is to protect nerve fibers. Therefore, in the presence of a deficiency, the functioning of the nervous system is disrupted. This manifests itself in the form of paresthesia – a disorder of sensitivity, which is characterized by spontaneously occurring sensations of crawling, burning, tingling. A long-term deficiency of this active substance can lead to problems with coordination and changes in gait, which is especially dangerous for older people. Glossitis is another unpleasant consequence of a deficiency. B12. This condition is accompanied by pain in the tongue, a change in its texture and color. Itching in the mouth or tingling in the tongue can also be observed. In rare cases, with a lack of B12, the optic nerve is damaged, and then vision becomes blurry and fuzzy. This progressive loss of vision is called optic neuropathy. There is a violation of the transmission of impulses from the eyes to the brain, the world becomes blurred. Mood swings are also associated with a lack of vitamin B12 in the body. Chronic deficiency of this vitamin can even lead to severe depression or dementia. Rarely, low B12 levels can cause fever, fever, or fever. Dietitian Inna Aminova also advises to pay attention to the following symptoms: body odor, loss of appetite, back pain and regular headaches. A competent specialist will be able to choose a vitamin in a form convenient for you. Also, don’t forget to include foods rich in B12 in your diet and monitor the condition of the gastrointestinal tract.

https://rsport.ria.ru/20210704/chereshnya-1739794444.html

https://rsport.ria.ru/20210630/limon-1739124610.html

https://rsport.ria.ru/ 20210628/grechka-1738838474.html

https://rsport.ria.ru/20210625/myaso-1738517411.html

RIA Novosti sport

4.7

96

internet-group@rian .ru

7 495 645-6601

Rossiya Segodnya

https://xn--c1acbl2abdlkab1og.xn--p1ai/awards/

2021

RIA Novosti Sport

1

5

4. 7

96

7 495 645-6601

Federal State Unitary Enterprise MIA “Russia Today”

https:// xn--c1acbl2abdlkab1og.xn--p1ai/awards/

News

ru-RU

https://rsport.ria.ru/docs/about/copyright.html

https://xn--c1acbl2abdlkab1og. xn--p1ai/

RIA Novosti Sport

1

5

4.7

96

[email protected]

7 495 645-6601

Rossiya Segodnya

https://xn- -c1acbl2abdlkab1og.xn--p1ai/awards/

1920

1080

true ages/155161/58/1551615886_39:0:1939:1425_1920x0_80_0_0_f7fe0090d6a0a5d2fabd3879b5848bc4.jpg

1920

1920

true

RIA Novosti Sport

1

5

4.7

96

[email protected]

7 495 645-6601 9 0003

Federal State Unitary Enterprise MIA “Russia Today”

https://xn-- c1acbl2abdlkab1og.xn--p1ai/awards/

RIA Novosti Sport

1

5

4.7

96

internet-group@rian. ru 9000 3

7 495 645-6601

Federal State Unitary Enterprise MIA “Russia Today”

https://xn--c1acbl2abdlkab1og.xn--p1ai/awards/

health, vitamins

Healthy lifestyle, Health, Vitamins

MOSCOW, July 5 – RIA Novosti. B ₁₂ is one of the most important vitamins in the human body. Many vital processes depend on it. Thus, water-soluble vitamin B ₁₂ is necessary for the formation of red blood cells, it also synthesizes RNA and DNA, amino acids and proteins, and ensures the functioning of the nervous system.

Most vitamin B ₁₂ is found in fish, meat, poultry, dairy products and eggs. Liver, mackerel and beef are especially rich in them. However, it turns out that many people are deficient in B ₁₂ and even for anemia. At risk are the elderly, vegans, diabetics, and people taking antacids.

What happens to the body if you eat cherries every day in summer

July 4, 2021, 10:25

It can be extremely difficult to diagnose a lack of this vitamin in the body, but there are common signs that you can recognize on your own.

First of all, skin color. In people with B ₁₂ deficiency, it is very pale or icteric. This skin condition is associated with a lack of red blood cells, which are destroyed, causing an excess of bilirubin. Bilirubin is produced in the liver and is the result of the breakdown of dying blood cells. A large amount of this substance in the body gives the skin and whites of the eyes a yellowish tint.

Constant weakness and fatigue are also important signs of deficiency B ₁₂ . As in the first case, erythrocytes are also to blame here, because they carry oxygen to the cells. With its deficiency, hypoxia develops: a person feels constant drowsiness, shortness of breath and dizziness.

The doctor told who should not drink water with lemon on an empty stomach

June 30, 2021, 02:25

Another feature of vitamin B ₁₂ is to protect nerve fibers. Therefore, in the presence of a deficiency, the functioning of the nervous system is disrupted. This manifests itself in the form of paresthesia – a sensitivity disorder, which is characterized by spontaneously arising sensations of crawling, burning, tingling.

Long-term deficiency of this active substance can lead to coordination problems and changes in gait, which is especially dangerous for older people.

Glossitis is another unpleasant consequence of B deficiency ₁₂ . This condition is accompanied by pain in the tongue, a change in its texture and color. You may also experience itching in the mouth or tingling in the tongue.

In rare cases, with a lack of B ₁₂ , the optic nerve is damaged, and then vision becomes blurry and indistinct. This progressive loss of vision is called optic neuropathy. There is a violation of the transmission of impulses from the eyes to the brain, the world becomes blurry.

The doctor told who should not eat buckwheat

June 28, 2021, 03:15

Mood swings are also associated with a lack of vitamin B in the body ₁₂ .