If youre considering it, the path forward is clear: find a vet who understands integrative medicine, get proper dosing guidance, source from a reputable compounding pharmacy, and monitor your dog closely
Seek medical advice if this happens
B12 injections are contraindicated for individuals with Lebers hereditary optic neuropathy, severe kidney disease, known cobalt or cobalamin allergy, and polycythemia vera
The evidence shows no meaningful benefit for healthy people with normal B12
Other people have bypassed their doctors and order injectable peptides online even though they have not gone through formal drug evaluation and approval processes
Theoretical and route-specific risks FDA's 2024 review specifically flagged that no published human exposure data exists for the subcutaneous, transdermal, or intranasal routes that compounding pharmacies have offered