vitamin b12 injection dose monthly Cyanocobalamin USP 1000 mcg/mL normal dose for b12 injection

This ends in low B12 levels

Common signs of B12 deficiency include: Persistent fatigue that doesnt improve with rest Difficulty concentrating or brain fog Mood changes, including low mood or irritability Tingling or numbness in the hands and feet Weakness or shortness of breath with normal activity Pale skin or a smooth, swollen tongue B12 deficiency can develop silently for months before symptoms become noticeable, which is why its frequently missed

B12 deficiency is typically treated with B12 supplementation

PMC Article PMC8337113

B12 injections can be mildly painful for some however most patients can tolerate the discomfort well