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Vitamin B12 deficiency can lead to decreased cognitive function, loss of memory, coordination, and nerve damage. This element is necessary to maintain the health of nervous system cells and DNA. In case of its deficiency, patients may be prescribed supplements. However, practice has shown that in some cases they can be toxic to humans.
According to one study, a patient treated for pernicious anemia responded poorly to vitamin B12 (cyanocobalamin). It was a young woman who drank multiple daily doses of the vitamin. After a total intake of 12 mg, she developed a number of symptoms that indicate poisoning. Scientists from the National Center for Narcology and Toxicomania at Columbia University noted that these signs were unusual and unexpected. They went away two weeks after stopping the vitamin B12 supplement.
Seven symptoms of vitamin B12 poisoning:
- pimples;
- rapid heartbeat;
- anxiety;
- redness of the face;
- headache;
- insomnia;
- akathisia - characterized by a constant feeling of internal motor restlessness, which makes it difficult to stay still or not move the limbs. The person begins to shift, change postures, cross and spread legs, etc., reports The Express.
The researchers reminded that taking any medication is not always safe. Each drug has a list of side effects that you need to familiarize yourself with in advance.
