are animal and human b12 injections same Methylcobalamin Injection (Vitamin B12) Vitamin B12 Injection Can Be
Description
Serious allergic reactions are rare but can occur

Frequency: one subcutaneous injection each day at a consistent time, titrating up as tolerated over a 12-week cycle

doi: 10.1080/02640414.2016.1261176

Protocols, doses, and reactions reported below come from published clinical trials and self-reported community sources
