US$ 20.31
vitamin b12 injections dosage and frequency methylcobalamin Compounded (Vitamin B12) Injection, 5mg/mL VITAMIN B12 INJECTION 1000 mcg/mL
Description
That 2kg difference is real but not dramatic

Local administration of methylcobalamin for subacute ophthalmic herpetic neuralgia: a randomized, phase III clinical trial

and yes I have PA and it's been 2 months of injections EOD
If you have been vegan for several years without consistent B12 fortification, a GP blood test is the sensible starting point
