b12 injections change skin problems Inflammatory papules and pustules on the chest after injection Strange Rash/ Low B12 :
Description
for people without a deficiency, evidence for additional benefit is limited, and B12 injections are not FDA approved for weight loss

Most hair loss treatments cause side effects because they block hormones (DHT) or suppress the immune system

Enhanced Immune Function : By supporting the production of healthy red blood cells, B12 injections can strengthen your immune system, helping your body fight off illness more effectively
Hosseini-Esfahani F, Khalaj A, Valizadeh M, Azizi F, Barzin M, Mirmiran P

PMC8337113