b12 injections benefits side effects How Quickly Does Shot Work? Does It Help to Lose Weight? Vitamin B12 Injections: Benefits for
Description
While B12 injections are primarily used to treat vitamin B12 deficiency , some people with low levels may notice improvements in energy once their deficiency is addressed

Side effects to tell your doctor about immediately are skin rashes, itching, hives, swelling of the tongue, lips, or face, blueish skin, chest tightness or pain, trouble breathing, wheezing, dizziness, or red, swollen, painful area on a leg (via the Cleveland Clinic)

Subcutaneous injection is the standard route

It can be taken together with CoQ10 for energy, as it simplifies the conversion of the coenzyme with an antioxidant function into its active form to protect cells from damage