is it legal to give b12 injections VITAMIN INJECTION 3000 mcg Sublingual B12 vs. B12 Injections:

Additionally, Tesamorelin supports metabolic health by enhancing lipid profiles and insulin sensitivity, which can contribute to better overall energy balance and physical well-being

Retention times, full scans, and MS/MS spectra (for LC-QTOF-MS/MS) or diffractograms (for XRPD) were compared with those obtained from the analysis of reference standards or suitable databases such as PubChem, MassBank, or PDF-2, which are public repositories of mass spectra or commercial databases of diffraction patterns, respectively

These provide additional tyrosine residues to be phosphorylated by the tyrosine kinase domain of the activated receptor that will attract further molecules containing SH2 domains or plekstrin homoly (PH) domains, these last will anchor IRS to phosphoinositides on the cell membrane

Too little of this vitamin will result in a deficiency