hospira pfizer bac water Bacteriostatic 30mL Ideal for IV Sterile Water for Injection, Preservative

Neither of these compounds is a peptide you experiment with

Human Growth Hormone and Anti-Aging

That's exactly why it belongs in a supervised program, not a self-experiment

While there is some limited evidence of the efficacy of 1,000 micrograms daily dosing of oral cyanocobalamin, this is mainly based on the correction of serum vitamin B12 levels, rather than any impact on clinical signs and symptoms[24]

It is required for mitochondrial energy metabolism, normal nervous system function, red blood cell development and maturation, DNA synthesis and the methylation cycle, and has antioxidant effects at the cellular level

Haematological malignancies, liver cancers, and some solid tumours may elevate B12 through increased binding protein production or release from damaged tissue, though most elevated B12 cases have non-malignant causes