This medicine is used to treat vitamin B12 deficiency caused by poor absorption, including pernicious anemia and certain stomach, intestinal, or surgical conditions
For women especially, the younger years are a key window for strengthening bone and building lean muscle
While the goal is to restore normal regulation, there is a theoretical risk of pushing the immune system in an unintended direction
Oral and injected amounts are not directly interchangeable, and neither route has a proven human dose
Questions remain about substance characterization, dosing, long-term safety information, human research, and the difference between anecdotal use and evidence gathered through larger studies