how long do the side effects of b12 injections last Feeling worse after Injection: Answering concerns Benefits of Vitamin B12 Shots

B12 is essential for red blood cell formation, neurological function, and DNA synthesis

A clinical series published in the Journal of Clinical Medicine found that patients with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) who received intermittent intravenous saline infusions over a 9-week period showed beneficial effects in managing symptoms of dysautonomia and postural orthostatic tachycardia syndrome (POTS)

I honestly did not see much of a difference between the couple weeks that I did not take them because I could inject myself versus the times when Im on them

Hydroxocobalamin and cyanocobalamin are both forms of Vitamin B12, but hydroxocobalamin stays in the body longer