b12 injections fatigue Are Vitamin Shots Right for You? Feeling constantly tired, foggy, or

Certain antibiotics may interact with the cyanocobalamin component through effects on vitamin B12 metabolism or efficacy

Vitamin B12 injections are generally safe

Pernicious anemia is associated with an increased incidence of carcinoma of the stomach, but this is believed to be related to the underlying pathology and not to treatment with cyanocobalamin

B vitamins help your body process energy and form red blood cells, according to the MedlinePlus

Those with diabetes, pernicious anemia and other diseases may benefit from methylcobalamin supplementation

It requires weight-based dosing and IV or SubQ administration under clinical supervision