Causes, Symptoms and Diseases of Vitamin B12 Deficiency

Health Desk- It is common for people to be deficient in Vitamin B12, but most people are not aware of it. Its deficiency is mostly found in adults. Pregnancy, lactating women can also lead to vitamin B12 deficiency. know-Causes, Symptoms and Diseases of Vitamin B12 Deficiency

What is Vitamin B-12 ?

Vitamin B-12 is very important for the body. It is equivalent to Vitamin-C and D. In English it is called cobalamin. Cobalt is found in it, which is not found in other vitamins. This is a very important vitamin for red blood cells. Along with this, the risk of brain haemorrhage is also reduced due to its proper quantity in the body.

Causes, Symptoms and Diseases of Vitamin B12 Deficiency
Causes, Symptoms and Diseases of Vitamin B12 Deficiency

Do you know what happens due to Vitamin B12 deficiency? Which age group is most likely to be deficient? If a person is deficient in Vitamin B12, then which disease can happen? This information is very important for you because whenever you see these symptoms, the doctor can be contacted immediately. Let’s know about it.

What are the main causes of Vitamin B12 deficiency?

Deficiency of Vitamin B12 in the body can be due to the following reasons:-

1. Not having proper amount of absorption-

The food you consume leads to the absorption of Vitamin B12 in the body. If the body is not able to absorb Vitamin B12 properly then it can be deficient.

2. Not consuming enough diet-

Inadequate intake of vitamin B12-rich foods can also lead to its deficiency.

3. Vegetarian people may have deficiency-

According to doctors, vitamin B12 is abundant in non-vegetarian diet as compared to vegetarian diet. Therefore, if people who eat vegetarian food do not consume enough vitamin B12-rich diet, then there is a possibility of its deficiency.

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What are the main symptoms of Vitamin B12 deficiency?

When there is a deficiency of Vitamin B12 in the body, its symptoms are not recognized in the initial stages. When people start having problems related to it, then after investigation, its deficiency is known. That’s why it is important to know its symptoms.

1. Pregnant women being unwell-

Due to deficiency of Vitamin B12, pregnant women often struggle with many health-related problems. His health may deteriorate. That’s why it must be examined during pregnancy.

2. Excessive stress or worry-

Those who are deficient in Vitamin B12 can be easily affected by stress or anxiety as compared to a healthy person.

3. Decrease in eyesight-

If you start feeling that you are having problems related to eyesight, then immediately contact the doctor, because due to deficiency of vitamin B12, there are also disorders related to the eyes.

4. Fatigue and weakness in the limbs-

Physical weakness and fatigue are signs of vitamin B12 deficiency.

5. Loss of appetite and constipation-

Due to deficiency of Vitamin B12, there is loss of appetite and problems like constipation can also be faced.

What are the diseases caused by deficiency of Vitamin B12?

Vitamin B12 deficiency can cause many diseases. Some of these diseases can be treated easily, but there are some diseases which are very serious. Due to these serious diseases, the patient may have to face a lot of problems.


One of the many serious diseases caused by vitamin B12 is anemia. The important thing is that if timely detection and investigation is not done, then anemia can prove fatal for the patient.

2. Bone related disease-

According to research, its deficiency can cause many bone-related diseases, such as complaints of waist and back pain.

3. Dementia-

In fact, vitamin B12 deficiency can significantly damage brain function, leading to a variety of mental illnesses. One such disease is dementia. This is a serious disease in which the patient’s mental condition is not well, and he is not even able to think and understand. The patient can also reach in a neurotic state.

4. Amnesia-

Causes, Symptoms and Diseases of Vitamin B12 Deficiency
Causes, Symptoms and Diseases of Vitamin B12 Deficiency

This disease can also be caused due to deficiency of Vitamin B12, but it is often seen that people often do not take such mental illness seriously, which can cause great harm to the patient. Therefore, if a person starts feeling such symptoms again and again, then a doctor should be consulted.

5. Permanent damage to the nervous system-

Its deficiency can cause a lot of damage to the nervous system. According to the doctor, patients may have to bear the damage caused by this throughout their life.

6. Harm to pregnant and lactating women-

According to the National Institute of Nutrition (NIN), pregnant women or lactating mothers, who do not consume adequate amounts of non-vegetarian diet, or are dependent on only vegetarian diet, may be deficient in Vitamin B12. If it is not checked at the right time, it can harm the baby as well.

7. Temporary infertility in women-

Due to deficiency of Vitamin B12, women may have problems of temporary infertility. Although it can be due to other reasons as well. That’s why it is necessary to investigate in such a situation.

8. Stomach or Crohn’s disease-

Stomach related diseases can also be due to deficiency of Vitamin B12. Similarly, there can be deficiency of vitamin B12 in the body due to Crohn’s disease.

9. Vitamin B12 may decrease after surgery-

According to NIN, people undergo various types of surgeries such as weight loss surgeries or other surgeries. In many surgeries some organs are removed from the body. Due to this, the red blood cells in the body are reduced, and this can cause vitamin B12 deficiency. That’s why such people should pay more attention to their diet after surgery.

10. Skin infection-

Vitamin B12 deficiency can make a person’s skin sick. Skin infection can occur. There may be delay in healing of wounds. Along with this, yellowness starts appearing in many organs including nails.

What to eat to meet Vitamin B12?

For this, definitely include red meat, fish and shellfish, legumes, eggs, beans and dry fruits in the diet. Also include milk and milk products like milk, curd, paneer, buttermilk etc. Vitamin B-12 is found in these. Vitamin B-12 plays an important role in the formation of red blood cells. Due to deficiency of Vitamin B-12 in the blood, the number of RBC also starts decreasing. Consumption of these things does not cause deficiency of Vitamin B-12 in the body.

Now you have got information about Vitamin B12 deficiency and its causes, symptoms. Therefore, to ensure that there is no deficiency in your body, you must consume a diet rich in Vitamin B12. But keep in mind that before consuming its supplements, do consult a doctor. Thank you.

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I am an Ayurveda doctor and treat diseases like paralysis, sciatica, arthritis, bloody and profuse piles, skin diseases, secretory diseases etc. by herbs (Ayurveda) juices, ashes.

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