Vitamin B12 deficiency can DAMAGE nerves if ignored , From numbness to memory lossknow the signs before its too late., , NCLEX favorite topic, Save Share Educate, #nursingstudents , How Soon Do You Feel Less Tired After a B12 Injection? Always Tired? B12 Injections Could Help B12 injections You suffering with Extreme tiredness Brain fog memory problems Pins & needles Numbness Pale or yellowish skin Sore tongue Low mood That pins and needles feeling might be more than poor posture. When this feeling keeps coming back, it could point to an underlying health concern. , Conditions such as vitamin B12 deficiency, early