how does vitamin b12 injection work Feeling constantly tired, foggy, or run down? plays a key role in energy production and nervous system health — and low levels can lead to fatigue, brain fog, and weakness Vitamin B12 Injections and Weight

Clean the injection site gently with alcohol swab to avoid any kind of infection

while neither compound is known to impair lactation, the concentrated doses delivered by weekly injections may alter milk taste or infant gastrointestinal tolerance

[20] Thanks Your doctor or nurse will be more than happy to do the injections for you if you just don't feel comfortable doing it yourself.Thanks Things You'll Need Prescribed vitamin B12 solution Clean syringe and needle Rubbing alcohol Cotton balls Bandages A puncture proof container References About This Article To give a B12 injection, start by cleaning the injection site, such as the upper arm or thigh, with a cotton ball dipped in rubbing alcohol to sterilize the area

After this loading phase, frequency tapers to weekly injections for four to six weeks, then transitions to monthly maintenance doses