They are generally not ideal for teaching labs due to their specialized handling requirements
So if they get to the point that they aren't eating for a day or two it's important to make an appointment with your vet right away
This means that their shipment needs to be via an unbroken cold chain
Common sites for self-injection are the thigh (vastus lateralis muscle) or the hip area
Important: B12 in liquid form is highly light-sensitive, meaning it undergoes photolysis, or destruction by light
B12 injections tend to be most useful for: Patients on GLP-1 medications (semaglutide, tirzepatide) who feel fatigue in early weeks Patients with low energy, brain fog, or mood symptoms Vegetarians or vegans (plant foods don't contain B12) Adults over 50 (B12 absorption drops with age) Patients who've had digestive surgeries (bariatric, gallbladder) that affect absorption They're generally safe B12 is water-soluble, so your body excretes what it doesn't use