what gauge needle for b12 injection to use What needle should you use? what size needle do you

There is a much more absorbable form of b12 called Methylcobalamin (more on this further down) BUT its VERY pricey

Now you are thinking why is vitamin b12 injection for dogs considered as the ultimate option, despite the availability of other routes of administration

Sheikh N, Goodarzi M, Bab Al-Havaejee H, Safari M, Amiri I, Najafi R, Hadeie J

By adjusting the dose and infusion protocol, healthcare providers can improve treatment results for patients with B12 deficiency

[10] Long-term use of proton pump inhibitors (PPIs) and H2-receptor antagonists reduces gastric acid, potentially impairing the release of B12 from dietary proteins

A baseline IGF-1 already at or above the age-appropriate reference range is also a reason to hold: the goal is to support a declining axis, not push one that is already at the top of normal