b12 injections are Sandoz Vitamin Injectable Solution - 1000 mcg/10 mL Compounded Methylcobalamin (Vitamin B12) Injection,

the only difference is the quantity supplied

Vitamin b12 injection dose for adults Pro Research Analysisby Searched over 200M research papers Vitamin B12 Injection Dose for Adults Introduction to Vitamin B12 Deficiency Vitamin B12 deficiency is a prevalent condition that can lead to serious health issues such as megaloblastic anemia and neuropsychiatric symptoms

And being injected my body takes it up so much better than an oral form

The critical caveat: rodent fat metabolism differs substantially from human fat metabolism

This can lead to neurological problems, and so, streamlining Vitamin B12 levels through B12 injections is an option worth exploring

If effects persist beyond two weeks, consider reducing dose or consulting a healthcare provider