Used by the body to produce red blood cells, helps to absorb food, helps the body to build protein, helps in the metabolism of fats and carbohydrates. Vitamin B12 also helps to protect and enhance the nervous system.)
Vitamin B12 is the most powerful anemic factor known so far. Although it is water-soluble, it accumulates in the liver, kidneys, lungs and spleen. The amount of remaining vitamin is important and can have a toxic effect.
- Plays a key role in the proper functioning of the nervous system, helping to form the myelin sheath that surrounds nerve fibers essential for transmission of nerve impulses throughout the body. Due to this function, vitamin B12 is a precious ally in maintaining tactile and auditory acuity, in pain perception, in balancing and increasing the learning capacity, preventing memory loss and keeping carriage of the mental;
- Participate in the process of cell renewal, DNA synthesis, iron, vitamin C, pantothenic acid, vitamin B15 and folic synthesis;
- Intervenes in the maturation of red blood cells, thus removing fatigue and anemia.
- Actively participate in the metabolism of proteins, lipids and carbohydrates;
- Contribute to the normal functioning of cells, especially those in the bone marrow;
- Does the beneficial role of the gastrointestinal tract.
- In addition, this vitamin has a role in protecting liver cells due to its property of preventing fat storage in the liver.
Natural Sources of Vitamin B12
Vitamin B12 is found mainly in animal products:
- Chicken, beef, pork, especially in the liver;
- Milk and milk products;
- Seafood: crabs, oysters, clams,
- Salmon, tuna.
For vegetarians, the perfect choice for a fortified breakfast are cereals. They can also try brewers yeast, dairy products, soy products, alfalfa and seaweed – kelp, dulse, kombu, nori.
Adult daily requirement for vitamin B12 is 2.4 mcg per day.
Lethargy, irritability, ringing in the ears, memory loss, chronic fatigue, depression, headaches, moodiness and pernicious anemia.
Not usually possible to overdose, however in rare cases mild symptoms such as a dry mouth, tiredness and nausea may occur.
Vitamin C, alcohol, cholestyramine (cholesterol lowering drug), methyldopa (anti-hypertensive drug), aspirin, potassium supplements, antibiotic, anticoagulant, anticonvulsant and anti-gout medication decreases the absorption of vitamin B12. Pregnant or lactating women, people over sixty years and children should use vitamin B12 according to label instructions under the supervision of your nutritionally oriented doctor. Do not discontinue the treatment if it has been prescribed by a doctor.