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
No bowel movement for 4+ days, especially with bloating
The supernatants were then removed and the formazan dye was dissolved in dimethyl sulfoxide (DMSO)
And studies continue to report better energy, stamina, overall mood, and mental sharpness
The choice between pre-formulated blend GHK-Cu administration and custom independent GHK-Cu dosage depends on the research question
10.3389/fphar.2019.00719 125 SolerD