metallic taste in mouth after b12 injection 9 and Lip Changes That Can Signal Vitamin Deficiency Managing Metallic Taste from Cancer
Description
If no, go to step ii

the phase IIb studies, as they're called, are verification studies
Hydroxocobalamin is preferred because it has a longer half-life and is retained in the body more effectively than cyanocobalamin (which is mainly available as oral supplements in the UK)

If levels get too high or side effects occur, we might lower the dosage
