This is a huge telltale sign that you aren’t getting enough of vitamin B-12. This isn’t your normal tiredness or fatigue. In spite of sleeping 8 hours a day, if you are always sleepy, it means you are lacking in Vitamin B-12. The main reason for this fatigue is low red blood cell production which is supplying less oxygen throughout your body. However, just fatigue on its own could also be the cause of other underlying conditions too and not necessarily due to a lack of B-12.
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Your muscles need oxygen and if your RBC production is low due to a lack of Vitamin B-12, then you are going to experience more muscle fatigue, sluggishness and weakness. Whatever you lift seems like a million pounds to you.
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Although this is a symptom usually mistaken for Alzheimer’s, it could also be due to a lack of Vitamin B-12. It all boils down to the low production of red blood cells which a routine blood test can reveal. Insufficient oxygen to the brain causes impaired brain function leading to foggy memory, memory loss and poor focus.
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You could feel a strange sensation of electricity running from your head to feet. Some may also experience numbness or a typical pins and needles sensation. All of these are due to nerve damage caused by less oxygen in the blood which obviously as you know by now is due to low RBC production.
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