This is because they have trouble absorbing B12 from food
To find out if vitamin B12 has been added to a food product, check the product labels What causes B12 deficiency
## **What is injection, immune globulin, (gamunex-c/gammaked)?** HCPCS code J1561 refers to the injection immune globulin, specifically Gamunex-C or Gammaked, in a non-lyophilized (e.g., liquid) form, supplied in 500 mg doses
Its molecular structure features a stable arrangement that confers resistance to enzymatic degradation in in vitro settings, making it a practical tool for laboratory protocols requiring compound stability over extended incubation periods
Mechanism, dosing, evidence, and what the research does not yet support