Vitamin B12, called cobalamin, is one of the most important nutrients necessary for the proper functioning of the body. It is responsible for DNA synthesis, red blood cell production and maintaining the health of the nervous system.
Cobalamin deficiency may lead to megaloblastic anemia, neurological disorders, poor concentration and chronic fatigue. Although natural sources of B12 are mainly animal-based, today's range of fortified foods also allows people on plant-based diets to ensure an adequate supply.
In this article, we will present a complete list of foods rich in vitamin B12: from the highest animal sources, through fortified products, to strategies for supplementing the vegan diet. We will also discuss the role of B12 in the body, take you step by step through the stages of supplementation and look at the latest scientific research confirming its crucial importance. Thanks to the tips provided, you will learn how to consciously choose products and plan meals to avoid deficiencies and enjoy good health every day.
The role of vitamin B12
Vitamin B12 performs a number of fundamental functions, the lack of which not only weakens the body, but may also lead to permanent damage to health. First of all, cobalamin participates in the blood formation process - it is necessary for DNA synthesis in bone marrow cells, where red blood cells are produced. Without an adequate supply of B12, abnormally large and inefficient erythrocytes are formed, which results in megaloblastic anemia: symptoms such as shortness of breath, weakness, pale skin and dizziness appear.
Dietician
Karolina Dobrowolska-Zrałka
doctor of medical sciences and health sciences, clinical dietitian A graduate of first and second cycle studies in dietetics and a doctoral student at the Doctoral School Medical University of Wrocław
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