b12 injections tempe az Are worth it?, Vitamin B12 shots are openly advertised as a quick fix option to boost energy and metabolism, and in some cases claim to help you to shed weight. Unless you have a B12 B12 Injections for Energy: Benefits
Description
Vials (50 mg each, subcutaneous route only) One 50 mg vial lasts about 10 to 20 days at 2.5 to 5 mg per day

It was developed at the University of Texas M.D

Like methionine, it can contribute to mild GI discomfort at higher doses in some individuals
Age- As we age, our bodies may become less efficient at absorbing B12 from food, increasing the risk of deficiency
