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Vitamin B12 :
Vitamin B12 is one of the most important vitamins needed by the body, also known as copalamin, a water soluble vitamin that plays a major role in the work of the brain and nervous system, and in the formation of blood, a type of B vitamins, and the origin of this vitamin It is an animal that comes from red meat, liver and poultry, and to decrease this vitamin in the body a lot of negative symptoms on the body.
Vitamin B12 is stored in the liver in large amounts, and the required amount of it per day is about five micrograms, and the knowledge and measurement of the percentage of it in the body is done only by taking a sample of venous blood and laboratory testing to measure the proportion in serum (serum) Waiting for the result that does not appear on the same day, it takes time to analyze the blood sample, and after taking the result must be compared to the normal, which is: between 200 to 900 pg / ml, although this is the normal proportion of vitamin in the body, but doctors advise to take Dietary supplements for this vitamin if a The proportion when the person is less than 500 pg / ml, in order to avoid a shortage in it. Its main sources are meat, liver, dairy products, wheat, barley, legumes, and eggs.
The importance of vitamin B12 :
It is necessary for DNA synthesis to be used in the formation of thymidine triphosphate, which is a unit of DNA structure and is therefore very necessary for red blood cells to mature. Is involved in the process of manufacturing myelin casing for nerve fibers, and in the addition of methyl to homocysteine for later conversion to methionine. Enters the process of modifying the hemoglobin deficiency; for entry into the internal structure of red blood cells.
Symptoms Of Vitamin B12 Deficiency :
Feeling tired and tired.
Speed of forgetfulness, poor memory; and inability to remember even minor events.
A sense of loss of body energy, and inability to perform any work.
Visibility and weakness in vision.
Lack of appetite to eat.
A feeling of tingling in the tips of the feet and hands.
Some gastrointestinal disorders, along with constipation and the release of many gases.
The skin color changes slightly and the dryness occurs.
Hair loss dramatically.
Some mental disorders, feelings of stress, anxiety, and inability to sleep.
The introversion and the feeling of depression and nervousness.
Anemia and menstrual cycle in women.
Yellowing in skin color and eyes.
Damage to nerves.
Sources :
https://www.webmd.com/diet/vitamin-b12-deficiency-symptoms-causes#1
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