2 ml b12 injection CYANOCOBALAMIN INJECTION, USP 30000 mcg/30 mL (1000 mcg/mL) 30 mL VIAL Vitamin B12 Injection: Energy Boost
Description
If so, in time it will get better

Typically, this leads to a B12 absorption rate of about 50 percent from food sources

Diabetes group recommends against compounded GLP-1s

The second is dose and route translation : even where an effect is real in a mouse, the human-equivalent dose is not a simple body-weight scaling, and as the route section above stressed there is no human bioavailability figure to anchor an oral-versus-injected comparison

The best option can vary based on individual needs and health conditions
