You can use a small cotton ball and some light pressure to stop bleeding
B12 isa complex vitamin that is most often found naturally in foods like meat, eggs, dairy, and some fortified foods, so it can sometimes be difficult to achieve high enough levels of B12 if you do not regularly eat these foods
Vitamin B12 helps make myelin, a fatty substance around nerve fibers
This delivers high local concentration plus systemic distribution without risking further tissue damage from needle trauma at the injury
In some cases, healthcare providers may recommend an initial series of injections to quickly raise B12 levels, followed by maintenance injections at regular intervals
Frequency varies depending on the clinical reason and individual needs