b12 injection and covid booster FDA clears the way for additional bivalent boosters for certain vulnerable individuals How Long Does a B12

A naturopathic doctor will inject the b12 directly into the muscle so it may bypass the digestive system to be absorbed into the bloodstream

How Your Body Handles Vitamin B12 Your body needs to have a properly functioning pancreas, an unharmed stomach and intestines, and adequate levels of intrinsic factor, a protein that binds to vitamin B12 in the stomachonly then will you be able to absorb vitamin B12 as efficiently as possible

The symptoms are hard to ignore: headaches, fatigue, nausea, dizziness, and sensitivity to light and sound

Like any injection into the arm it is just a sharp little scratch & is virtually pain free