Vitamin B12 is present in many dietary sources, such as: meat fish eggs dairy products nutritional yeast some fortified foods Vitamin B12 shots are a form of supplementation that contains a synthetic version of vitamin B12, or cyanocobalamin
Who Should Be Careful About Getting B12 Injections
The benefits of B12 injections can include increased energy levels, helping you maintain a healthy nervous system, aiding you in properly utilizing fats, carbohydrates & proteins, relieving irritability, and improving concentration, memory & balance
Molecules that have vitamin B12 are called cobalamins because they contain cobalt
If dietary sources are insufficient, however, a doctor may recommend supplementation through pills or injections, depending on the cause of the deficiency.