what type of injection is b12 Methylcobalamin (Vitamin B12) Compounded Methylcobalamin (Vitamin B12) Injection,

Jun 21 2021;9(6)doi:10.3390/healthcare9060779

Monthly injections in the maintenance phase are key for: Keeping B12 levels normal Stopping deficiency symptoms from coming back Helping with overall health and well-being By sticking to this plan, doctors can make B12 injection schedules that fit each patients needs

B12 shots can provide the necessary boost to achieve and maintain a higher level of physical activity, to aid in burning calories and losing weight effectively

I also have fibromyalgia so it is really hard to figure what is causing what with me. I really would like to know if B12 at 4000 can be harmful or be a sign of something being wrong