Vitamins and Minerals

Vitamin B12 Deficiency - One of the Leading Nutrient Deficiencies

Written by
Dr. Prashant Dharmraj Shah
and medically reviewed by iCliniq medical review team.

Published on Jan 07, 2017 and last reviewed on Jul 13, 2019   -  1 min read



Do you feel weak, tired, and short of breath? It can be signs of vitamin B12 deficiency. Learn about the symptoms, causes, and management.

Vitamin B12 Deficiency - One of the Leading Nutrient Deficiencies

Vitamin B12 is an essential vitamin for humans because it plays a vital role in cell divisions and growth of the cell. Synonym of vitamin B12 is cobalamine derived from the content of cobalt.

Symptoms of B12 Deficiency

Vitamin B12 deficiency causes numbness and tingling sensation of both upper and lower limb of the body, uneasiness, fatigue, general weakness, weight loss, leg cramps, anemia, an altered taste of mouth, recurrent oral ulcers and many more of undescribed complaints.

Causes of B12 Deficiency

  1. A person, who does not take enough fresh milk will result in vitamin B12 deficiency as pasteurized milk reduces its B12 content.
  2. It is also believed that RO plants (reverse osmosis) used to purify water drains out B12 from drinking water.
  3. Overuse of medicines for hyperacidity also leads to B12 deficiency.
  4. Addiction to gutka and tobacco also causes the deficiency.

Management of B12 Deficiency

Vitamin B12 deficiency is treated with some medicines, which are available in oral and injectable form. It is also increased by supplementation of vitamin B12 containing foods.

Sources of Vitamin B12

Vegetarians can increase their vitamin B12 level by regular intake of milk and milk products like butter, cheese, paneer, curd, buttermilk, etc. Non-vegetarian foods are a rich source of vitamin B12.

We can prevent vitamin B12 deficiency by taking vitamin B12 rich foods, mixing RO water with plain water and avoiding regular use of hyperacidity medicines.

To gain more knowledge about Vitamin B12 consult a nutritionist online -->

Last reviewed at:
13 Jul 2019  -  1 min read




Related Questions & Answers

My vitamin B12 is high. How can I lower it?

Query: Hi doctor, As I took master health blood test and in the result, my vitamin B12 is high. How can I lower it? I am afraid of this. Please help me.  Read Full >>

Dr. Parth R Goswami
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Answer: Hello, Welcome to Kindly provide me any other clinical complaint if you have. Kindly mention whether you have taken any vitamin B12 supplement or tablet or injection? Attach your all reports to give more comment. Usually, liver disease, kidney disease, B12 intake, myeloproliferative n...  Read Full

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Dr. Sonia Malhotra

Answer: Hello, Welcome to Yes, vitamin B12 deficiency causes severe depression. Also, thoughts like not being able to fulfil duties can induce guilt and worse depression. Please take your friend to a psychiatrist for treatment with a combination of antidepressants and cognitive behavio...  Read Full

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Dr. Anshul Varshney
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Answer: Hi, Welcome to I have reviewed the attached reports (attachment removed to protect patient identity). I would here by say that you may not believe vitamin B12 and vitamin D deficiency are very common in some races and we always misdiagnose these symptoms. Your symptoms are due to an...  Read Full

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