What is Vitamin B12? And what harm does its deficiency due to the body?

Vitamin B12, like other B vitamins, is water-soluble, which means that this vitamin is dissolved in water and transferred to the bloodstream. The human body can store this vitamin for up to 4 years, and extra this Vitamin through Urine is excreted.

This Vitamin has the largest and most complex structure among vitamins. This vitamin is found naturally in meat products and is only produced industrially through bacterial fermentation synthesis.

What is Vitamin B12? And what harm does its deficiency due to the body?

Use of Vitamin B12:

This Vitamin or cobalamin is a sensitive and important vitamin for the body involved in producing cells in the body. It acts like folic acid in the proliferation of genes in the cell nucleus. Cell proliferation in nerve tissue (production of nerve fibers in this tissue) and the gastrointestinal tract and bone marrow is due to the presence of this vitamin.

This vitamin is involved in the production of red blood cells and helps build and stabilize DNA. The human body produces millions of red blood cells every minute. These cells do not proliferate without vitamin B12 because if you are deficient in this Vitamin, the production of red blood cells decreases, and anemia occurs when red blood cells are depleted.

What are the properties of vitamin B12, and what role does it play in the health of the body?

  1. This Vitamin helps prevent and treat anemia, and in general, the production and regeneration of red blood cells require this Vitamin.
  2. This vitamin helps children grow and increases the body’s strength.
  3. Strengthening the heart is one of the most important vitamins B12 in the human body.
  4. Treatment of infertility, asthma, migraine headaches, and depression.
  5. This Vitamin and folic acid play an important role in forming the fetal neural tube and preventing congenital fetal disabilities.
  6. Increase bone density and prevent bone fractures and osteoporosis
  7. Vitamin B12 is effective for nerve health, and consuming sufficient amounts strengthens memory, balance, and concentration.
  8. It helps better absorb fats, proteins, and starches, and this vitamin is essential for the production of DNA and RNA. It is involved in the function of certain enzymes that increase carbohydrate metabolism and fat control.
  9. One of the most important benefits of vitamin B12 is its ability to speed up metabolic activity and increase energy levels.
  10. Improving blood diseases and brain damage are the benefits of vitamin B12 in treating diseases.

What is Vitamin B12? And what harm does its deficiency due to the body?

Vitamin B12 deficiency:

The body needs many vitamins to survive because this Vitamin is one of the most important vitamins that, in case of deficiency, the body system will face various problems. Deficiency of vitamin B12 in tiny amounts can lead to anemia, fatigue, insanity, and depression. In contrast, long-term deficiency of this vitamin can permanently damage the brain and central nervous system.

Symptoms of Vitamin B12 Deficiency:

feeling exhausted

One of the symptoms of vitamin B12 deficiency is that the body feels tired.

Feeling of tingling

One of the symptoms of vitamin B12 deficiency is peripheral neuropathy. Peripheral neuropathy is a type of nerve that originates in the brain and spinal cord.

low blood pressure

Without enough this Vitamin, your body cannot produce enough red blood cells. This means that you are at risk for low blood pressure.


The thyroid gland needs various substances to maintain its proper function in the body, this Vitamin. In the absence of sufficient B12 in the body, the thyroid gland does not produce enough hormones, resulting in hypothyroidism.

Infertility and abortion

One of the symptoms of vitamin B12 deficiency is infertility as well as recurrent miscarriages. Researchers say a deficiency in this vitamin alters a woman’s ovulation.

Memory problems

Low levels of vitamin B12 in the body can increase the risk of dementia. You may do unusual things, such as putting your keys in the refrigerator or forgetting many everyday tasks.


Feeling dizzy is another sign of this Vitamin deficiency. When there is not enough of this Vitamin in the body, we will see a decrease in oxygen in the organs, and lack of oxygen can also cause dizziness, fatigue, and nausea.

Incidence of skin problems

Vitamin deficiency, especially the symptoms of this Vitamindeficiency, can cause many skin problems. If your face does not look fresh, suspect symptoms of vitamin B12 deficiency.


Deficiency of this vitamin can increase anxiety and possibly depression because this vitamin is involved in the synthesis of brain chemicals that help regulate human mood.

What is Vitamin B12? And what harm does its deficiency due to the body?

Two noses

Low levels of this vitamin can cause serious damage to vision over time. Blurred vision or even photosensitivity can lead to vision loss over time, which can be a complication of this Vitamin deficiency.

Diagnosis of Vitamin B12 Deficiency:

If you have any of the above symptoms, a simple blood test can detect a deficiency of this vitamin in your body.

Who is at risk for vitamin B12 deficiency?

Inflammatory bowel disease and celiac disease, weight loss and weight loss surgery, and excessive alcohol consumption can impair a person’s ability to absorb the nutrients the body needs, including this Vitamin.

Older people have more problems absorbing nutrients and are more likely to be deficient in vitamin B12.

Can children also be deficient in vitamin B12?

B12 deficiency is serious in infants and can cause symptoms such as anemia, movement problems, and developmental problems that can be dangerous. This Vitamin deficiency is rare in children but is more common in children whose mothers did not eat enough animal products during pregnancy or whose mothers were vegetarians. B12 supplements can be helpful for mothers as well as B12 fortified foods during pregnancy and lactation.

Vitamin B12 Deficiency Treatment Strategies:

Treatments for this Vitamin deficiency vary depending on the cause. The most common of these are injections, supplements (in the form of pills or nasal sprays), diet modifications, and treatment of underlying conditions such as Crohn’s disease or celiac disease, or any treatment should be done according to your doctor’s instructions.

This Vitamin deficiency can be treated with these Vitamin supplements, vitamin B12 nasal sprays, or this Vitamin injection for 3 to 6 months.

Is Vitamin B12 Injection Beneficial?

Vitamin B12 ampoules are used to treat anemia. Injections of this vitamin have beneficial effects in treating skin diseases, reducing stress and fatigue, increasing energy, better sleep, increasing memory and concentration. Injection of this vitamin is also useful for people who are trying to lose weight.

What are the disadvantages of injecting vitamin B12 ampoules?

Headache, itching, and swelling of the skin, stomach pain, heartburn, diarrhea, joint pain, and nerve pain

 In rare cases: irregular breathing, palpitations, chest pain, sudden weight gain, muscle weakness and pain, muscle cramps, excessive thirst, excessive urination, leg pain, dizziness, numbness, burning sensation when swallowing, Coughing, Shortness of breath, severe fatigue, swelling of the hands, thighs, legs and ankles and redness, pain and heat in one leg, redness of the skin and pimples.

What substances does vitamin B12 injection interfere with?

Some foods interfere with vitamin B12 injections, including:

Alcohol, antibiotics, cimetidine, colchicine, folic acid, methotrexate, neomycin, parametric salicylic acid (Paser), phenobarbital, phenytoin, potassium supplements, pyrimethamine, and some vitamin compounds

What is Vitamin B12? And what harm does its deficiency due to the body?

What are the natural sources of vitamin B12?

Some rich sources of vitamin B12 include:

  •  Types of fish
  •  Red Meat
  •  Chicken
  •  Dairy products such as milk, yogurt
  •  Cereals fortified with this vitamin

In general, it is better to use natural resources to meet the body’s need for this Vitamin. But doctors sometimes prescribe fortified foods and supplements for people over the age of 50, and the older we get, the harder it is for the body to absorb this Vitamin.

Side effects of vitamin B12 pills and ampoules:

 Allergy to this vitamin People who are allergic to it should avoid taking vitamin B12 supplements because this allergy appears in swelling, burning, and itching of the skin and suspicion.

Side effects of this Vitamin: Taking this vitamin in normal amounts is often safe and has no side effects, but high doses of this vitamin can cause pimples.

 Drug interactions with this Vitamin, drugs used to treat gastroesophageal reflux disease, diabetes, and other diseases make it difficult for the body to absorb this Vitamin.

Vitamin B12 never goes to extremes:

Unlike fat-soluble vitamins, which can accumulate in the body and cause side effects, B12, because it is soluble in water, is absorbed only as much as the body needs, and excess amounts are excreted in the urine, which is good news for some. They want to replenish their body’s supply of vitamins but are worried about consuming too much of it.

But keep in mind that if you take too much of this Vitamin in your meal, you will get itchy, and if your doctor prescribes another supplement, be sure to read the medication label and take only the amount recommended by your doctor.

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