Vitamin B12
Vitamin B12 is essential for many important hormonal and metabolic functions in the body. Including, for the production of digestive enzymes and the transport of essential nutrients in and out of cells. A sufficient level of B12 is essential for normal hematopoiesis and neurological functionality. This vitamin contributes to the synthesis of many compounds in our body. Therefore, it is essential for more than 100 bodily functions on a daily basis. It is important for mood, brain function, energy production, body cleansing, the immune system, and many other functions.
Deficit
Symptoms of vitamin B12 deficiency are chronic fatigue, lethargy and weakness, pain in the muscles, joints and problems with training, numbness in the limbs, swelling, lack of coordination (for example, clumsiness when walking), deterioration in memory, ability to concentrate and other cognitive problems associated with aging, mood changes, such as depression, anxiety, or nervousness rapid heartbeat and pulse, shortness of breath, poor oral health shortness of breath and dizziness, loss of appetite or gastrointestinal problems
Excess
An overdose of B12 is extremely dangerous. An increased number of erythrocytes and leukocytes is formed in the blood, which leads to the formation of clots in the bloodstream and subsequent thrombosis. Dizziness, confusion, nausea, diarrhea, weakness are also symptoms of an overdose.
Sources of Vitamin B12
The source of vitamin B12 is animal products, as well as egg and dairy products, and to a lesser extent fortified grain products. Most vitamin B12 is found in beef, chicken, liver and kidneys, fish and seafood.
Best sources % of daily norm per 100g of product
Interesting!
Vitamin B12 is practically not destroyed during cooking. Each molecule is made up of 181 atoms, more than any other vitamin contains. It took scientists as much as 23 years to synthesize vitamin B12.