b12 injections versus tablets Vitamin B12 Injection vs. Oral Supplements:
Description
High-protein dog foods that contain a lot of meat, organ meat, poultry, fish, egg, or dairy get some of their vitamin B12 from these ingredients

You need to be a little more cautious with AOD 9604 primarily because AOD 9604 is still an investigational drug and its long-term safety profile is still under-researched

Cells characterized by rapid division (epithelial cells, bone marrow, myeloid cells) appear to have the greatest requirement for cyanocobalamin

Aging 12 , 94479460 (2020)