Injectable B12 is the primary management strategy for those with altered gastric acidity and/or Intrinsic Factor
In humans, cyanocobalamin must undergo intracellular enzymatic conversion to the active coenzyme formsmethylcobalamin and adenosylcobalaminwhich, depending on the pH environment, can interconvert with hydroxocobalamin (Gherasim et al., 2013), the most common B12 form in both food and human plasma (Obeid et al., 2015)
The benefits of GHK in terms of long-term effects on slowing aging could have a high impact on increasing the quality of life with increasing age
I believe a lot has to do with the source and purity of the product
However, its important to know what isnt typical
: Discovery of thymosin 4 as a human exerkine and growth factor