where b12 injections are given Vitamin Injection Sites: All You Need to Know Vitamin B/D/B12 Injections Near Ne
Description
it depends on your age and comfort level

As we age, our stomachs produce less acid, which makes it harder to absorb B12 from food
Cycling theoretically prevents tolerance and allows natural enzyme function to reset

Storage: Store in a cool, dry place

Substrate specificity of nicotinamide methyltransferase isolated from porcine liver (in Eng)

Both approaches are valid
