You can, however, select an extended insurance plan that covers the injection plus the appointment fees and specialized treatment costs related to vitamin B12 deficiency
GLOW is stocked as a 70 mg vial (10 + 50 + 10), 10 vials per box
18 Support for the poorer bioavailability of cyano-B12 comes from a study comparing sublingual cyano- with methyl-B12 (both 1000 g per day), which found that both forms led to a normalisation of B12 status, but B12 levels increased significantly more in the methyl-B12 form compared with the cyano-B12 form, although the formulations also had other differences the former was a tablet, the latter a spray
Retatrutide remains an investigational compound and is not approved for human use in any jurisdiction as of this writing
As far as I know (I'm not medically trained or a scientist) overdosing B12 is unlikely as excess passes out in urine
Effects of a Final Market-Based MS-DRG Relative Weight Methodology In section XX