Always Tired? B12 Injections Could Help Scientists Just Found a Major Problem With Vitamin B12 Guidelines And Your Brain Might Be at Risk B12 vitamin Store peripheral neuropathy treatments using b12 injections Vit B12 to resolve symptoms of burning, shooting pain, due to peripheral neuropathy, affecting the patients mobility . Typically patients have these symptoms due to diabetes, or autoimmune conditions What Happens If You Inject B12 Wrong: 6 Red Flags Im Sure Its That #wait, Vitamin B12 deficiency can be surprisingly serious, especially when it comes to the nervous system. Without enough B12, the body struggles to make healthy red blood cells