im sites for b12 injection Vitamin C and Techniques How to Give a B12

patients should use backup or non-oral contraception for 4 weeks after each dose change

Also, patients should be warned about the danger of taking folic acid in place of vitamin B 12, because the former may prevent anemia but allow progression of subacute combined degeneration

Where it differs structurally as a synthetic peptide is the addition of the amino acid tyrosine at the N-terminus to provide additional stability to the peptide (hence a longer half-life), seen on the top-right corner of the picture below: (Source) Hence why youll also see it labeled as Tyr-hGH Frag 176-191

It alleviates pain behavior in diabetic neuropathy, low back pain, neuralgia and promotes nerve conduction