do b12 injections cause anxiety can Depression isn't always “in your head.” For many people, it What Causes B12 Side Effects?

There is no official link between high serum B12 and specific symptoms in most cases, though very elevated levels warrant investigation of underlying conditions

Vitamin injections are not suitable for everyone

Targeted disruption of the mouse lysosomal acid lipase gene: long-term survival with massive cholesteryl ester and triglyceride storage

Now, I opt to get it through other sources: Vega Complete Plant Based Protein Powder Vitamin B complex, which is going to give you all the variations (again with pills quality is HUGE!) From all of my research, this is actually pretty normal

37 Measuring serum concentrations of MMA and homocysteine may be helpful in establishing B 12 deficiency, especially in people with borderline serum B 12 levels, ie, those between 148 and 300 pmol/L