Pernicious Anemia: This is an autoimmune disorder where the body mistakenly attacks a protein in the stomach called "intrinsic factor." Without this protein, you simply cannot absorb B12 from food, making injections a lifelong necessity
Multi-vial protocols: For longer protocols, you'll use multiple vials
Prescribing guidelines recommend evaluating whether 4% body weight has been lost by week 16
Machiraju, P., Wang, X., Sabouny, R., Huang, J., Zhao, T., Iqbal, F., King, M., Prasher, D., Lodha, A., Jimenez-Tellez, N., Ravandi, A., Argiropoulos, B., Sinasac, D., Khan, A., Shutt, T
Review Third-Party Testing Reports : Request or check availability of CoA with HPLC and MS data