how to give b12 injections to cat Vitamin Injection for Cats with FIP: An Effective Treatment Option Vitamin B12 Deficiency in Cats:

For weight loss patients whose exercise capacity is limited by fatigue, correcting B12 deficiency often produces a meaningful improvement in what they're able to do

Kittens with the following health issues may benefit from a B12 injection as one part of their supportive care plan: Gastrointestinal distress Malabsorption Inappetance Diarrhea Constipation Lethargy Weight loss Vomiting Anemia FIP Panleukopenia While B12 alone cannot resolve these issues, it can play a role in supporting the kittens gastrointestinal and immune health throughout their treatment and recovery

Patels Vitamin B12 shots

With one version, my urine would turn sort of pinkish

The critical advantage of B12 injections over oral supplements lies in their absorption and immediate availability to the body