Vitamin B12 is really powerful and essential for the proper functioning of the brain, DNA production, nerve and blood cells and a healthy immune system. It is found in animal products such as meat, dairy, eggs and shellfish. Therefore, a vitamin B12 shortage, when left untreated, can cause severe blood diseases and neurological problems.
1. Unexplained fatigue
If you feel exhausted, even when you slept well, and do not feel energetic, it could be possible that your body misses this vitamin. It is caused by the lack of red blood cell production, which is one of the functions of B12. In that case the oxygen transport to the organs is obstructed and causes fatigue.
A shortage of B12 can result in dizziness and vertigo, as well as a feeling of unstability when getting up to fast from a seating position and when walking upwards or downwards.
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