Feelings in the chest have been called a sign of vitamin B12 deficiency

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One of the most important vitamins for the body is B12, doctors warn. It is responsible for the formation of erythrocytes – red blood cells that provide oxygen to the tissues and cells of the body.

B12 also participates in the formation of DNA and the division of blood cells, helps fight fatigue and has a positive effect on the nervous system. Therefore, experts draw attention, its lack leads to malfunctions in the body.

One of the signs of B12 deficiency is a noticeable rapid heartbeat in the chest, doctors said. Other symptoms include fatigue, lethargy, tinnitus, loss of appetite and weight. With a lack of vitamin, some may suffer from headaches, pale skin, shortness of breath.

A blood test will help detect a dangerous condition. According to doctors, the more the deficiency remains untreated, the higher the chance that the damage will be irreversible.

Experts note that vegetarians and vegans are at higher risk, since B12 is found in large quantities in meat. , fish and dairy products. In addition, some medications can worsen the situation, for example, proton pump inhibitors (PPIs).