how to give b12 injection in thigh inject your arm B12 Injections for Energy: Benefits

To manage it, doctors may prescribe supplements or B12 shots to boost your levels efficiently

Which vitamin is good for melasma

doi:10.3390/nu2030299

The groups affected are elderly people and those following a strict vegetarian or vegan diet

For patients with impaired liver function or genetic variants affecting B12 metabolism, methylcobalamin may be preferable

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)