B12 helps red blood cells form, cells grow, and stay healthy
However, because the medication changes how the body manages blood sugar and fat, it may have indirect effects
At 10 mg/mL, doses up to 10 mg fit perfectly in a standard 1 mL (100 unit) insulin syringe
My doctor said it was an allergic reaction." - u/SensitiveSkin55 You should contact a healthcare provider if you experience: Spreading redness or warmth at the site Pain that increases over time Oozing, pus, or signs of infection Persistent welts, rashes, or hives Systemic symptoms like fever, chills, or shortness of breath Its also worth speaking to a pharmacist or doctor if: You repeatedly get severe reactions, even if theyre not infected Youre unsure whether your injection technique is correct You experience anxiety or discomfort that makes it difficult to stay on the medication Many users say their pharmacists have been a key support system - offering tips, reassurance, and even demonstrations on how to inject more comfortably