can b12 be injected subcutaneously A Guide to the Best Needles for Injections Cyanocobalamin (b12) Injection 2,000 mcg/mL
Description
At first, they get 1,000 mcg injections every week for 4-8 weeks

Postmarketing Experience The following adverse reactions have been identified during postapproval use of CYANOKIT

It binds to skeletal muscle cells and activates AMPK, the enzyme responsible for switching cellular metabolism from anabolic (storage) to catabolic (burning) states

This is why injections are needed to keep B12 levels up
