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A vitamin B12 deficiency affects energy levels and immune health and may cause neurological problems like numbness and tingling in your hands and feet
This allows nutrients to enter the body more directly, which may improve efficiency for some people
In the case of Long COVID, the immune system remains locked in a state of chronic activation, leading to persistent neuroinflammation and the continuous depletion of vital coenzymes like Vitamin B12
This guide explains why B12 levels drop, the symptoms to look out for, and how B12 injections can help restore energy and wellbeing
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