doi: 10.1111/jpi.12948, 75 MaherP
While both methods aim to increase your B12 levels, they operate on very different timelines and through different biological pathways
Nonetheless, the FDA is currently considering inclusion of both of these forms to its 503A bulk drug list
Low Starting Amount Amount per injection: 1.0 mg 3 units (0.03 mL) on a U-100 insulin syringe Frequency: Once daily, under the skin (MonFri, weekends off) Cycle length: 812 weeks, then 24 weeks off Sources: [1] Regenerative and protective actions of the GHK-Cu peptide in the light of the new gene data NIH / PMC
Klicek et al., 2013), rectum (Sikiric et al., 2001
However, the glucagon receptor component theoretically favors fat oxidation over muscle catabolism