b12 injection with lidocaine C-Zocain Plus 2% & Adrenaline 50ml Lidocaine HCl Injection 1% (10mg/mL)
Description
The suppression lowers blood sugar levels

For those who don't care for a shot, oral supplementation with the two active forms of B12, methylcobalamin and adenosylcobalamin, may be as effective as a B12 shot

That is why a 150 mcg figure a fraction of what many injectable peptides use is the documented starting point for the 10 mg vial

Add more if running twice-daily
