b12 injections sites Instruction Guide for Intramuscular (IM) Self-injection of Methylcobalamin 1mg/5mg B12 Injections at Home -
Description
Make sure the muscle is relaxed

The good news is that some people notice improvements within a few days, particularly if they have a significant deficiency

Scientific Reports 12:484

Nerves at Ease: B12 strengthens your nerve shields, soothing numbness or tingling in your hands and feet
