how to give vitamin b12 injections video Self-Inject B12 injections UK How I

Subcutaneous injections can be done by the patient themselves

The elderly (reduced absorption) Pernicious anemia Vegetarians / Vegans (low dietary B12) People taking metformin or acid reflux medications (PPIs) Post-bariatric or gastric-bypass patients Genetic variants in MTRR , MTR , or TCN2 What Has B12 Been Studied For

Certain population groups face increased risk of vitamin B12 deficiency and should pay particular attention to their intake, with regular monitoring where appropriate

The neurological consequences of untreated B12 deficiency can be serious and potentially permanent, including subacute combined degeneration of the spinal cord, which affects both sensory and motor pathways