B12 injections have been high on my list, and I finally took the plunge today! Better absorption is just one of the perks, as it bypasses the stomach. Bloodwork is typically not B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics For CKD Patients, B12 Supplementation May Be Helpful MPR B12 for cats Feline Infectious Peritonitis B 12 (Methylcobalamin) Therapy MedClub by Dr Jenn