Long-term patient monitoring: Bariatric patients require ongoing documentation of nutritional labs (B12, iron, calcium, vitamin D), weight trajectory, and comorbidity status
Switching the injection type from subcutaneous to intramuscular
This is why some practitioners prefer it not just for multi-dose use but specifically because it's designed to remain chemically stable in a vial over an extended period
This results in a chiselled lower face appearance when you suck your cheeks in
Vegetarian and vegan diets Since B-12 is only found naturally in animal foods, it is important for people on these diets to supplement their diets with B-12
Age, weight, and other nutritional deficiencies also play a role in the right dosage