Vitamins are essential organic compounds required for normal maintenance of our body. We all require vitamins for proper growth and development as they play a vital role in strengthening and boosting our metabolism. Vitamin B12 is water-soluble vitamins which are required for proper functioning of cells, tissues and other organs system of a human body. They are also responsible for:
- Blood clotting.
- Synthesizing hormones.
- During digestion for the breakdown of food molecules.
- The formation of bones, blood cells, muscles, nerves and genetic materials.
Deficiency of Vitamin B-12
If our body is not receiving an adequate amount of vitamin B12 it results in the deficiency diseases which lead to some serious health issues. Vitamin B12 helps in making the DNA and is involved in different vital functions in the body. It helps in producing red blood cells that carry oxygen across the body. This deficiency is also known as hypo-cobalaminemia which refers to low blood levels of vitamin B12 This includes rapid heartbeat, exhaustion, brain fog, and other symptoms mentioned below.
Symptoms of Vitamin B12 Deficiency
- Feeling tired or lack of energy.
- Anemia along with bone marrow happens due to the inhibition of DNA synthesis.
- Gastrointestinal symptoms include alteration in bowel motility such as constipation, mild diarrhea, and loss of bladder which is caused mainly because of defective in DNA synthesis by inhibiting replication along with a huge number of cells and also by the autoimmune attack on the parietal cells of the stomach during the pernicious anemia.
- Neurological symptoms comprise of sensory or motor deficiencies, subacute mixes degeneration of spinal cord, and some other symptoms of psychiatric.
- Depression and dementia belong to the deficiency from the underproduction of methionine because of the inability of converting homocysteine into the product.
- The neurological complex is also named as myelosis funicularis which consists of the following:
- Pathological reflexes.
- Ataxia of dorsal chord type.
- Loss of deep muscle-tendon.
- Impaired perception, loss of sense of touch, pressure, vibration, and persistent paresthesias.
Causes of B12 Deficiency.
The Vitamin B12 deficiency results in not having enough of vitamins in the daily diet. It is important to have B12 in the diet as it helps in forming red blood cells which carry oxygen across the body. Improper B12 will not permit red blood cells to perform their function and results in tired and weakness. This deficiency can even affect the nerves and power of a brain.
Here is the list of few diseases caused by the deficiency of Vitamin B12.
Pernicious Anemia – In these conditions, the body starts destroying the stomach cells which is associated with the absorption vitamin B12.
Crohn Disease – It includes several problems during food digesting such as the growth of the bacteria in the small intestine. It is the inflammatory bowel disease that affects the lining of the digestive tract. Treatment includes the surgery to remove part of the small intestine.
Recommended Dietary Allowances for Vitamin B12.
The total amount of vitamin B12 intake depends on the age and lifestyle of a person.
|Age||Daily amount of B12|
|1 to 3 years||
|4 to 8 years||
|9 to 13 years||
|14 + years||
Sources of Vitamin B12
Vitamin B12 supplements are found both in animal and plants products. These supplements include milk, seafood, meat, eggs and other dairy products. Plant products include vegetables, cereals, almond, oats, rice, leafy vegetables, fruits, beverage, and other fortified foods products.
Check this table below to find out the presence of B12.
|Food||Serving size||B12 amount (microgram)|
|Clams||3 ounces||84 mcg|
|Rainbow trout||3 ounces||3 mcg|
|Beef liver||3 ounces||71 mcg|
|Chicken breast||½ breast||½ mcg|
|Large egg||1 egg||½ mcg|
|Nonfat plain yogurt||8 ounces||1 mcg|
|Cereal fortified with 100% daily value for B12||1 serving||6 mcg|
To learn more about Vitamins, visit Byju’s.
Practise This Question