You can get cat-specific supplements such as Pet-tinic (US), Hemovet or Tonivit (EU), Thorne's B-Complex vet, etc
However, clearly label each vial with the medication name, concentration, date opened, and BUD
Mood & Stress Support Maintaining better B-12 levels supports mood stability, making it easier to handle stress and feel balanced
1000 mcg of Vitamin B12 daily for the first week , followed by 1000 mcg weekly for four weeks to restore proper levels.
General biological framework: established adipocyte, mitochondrial, or analytical science used to interpret possible mechanisms