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If you have symptoms, note when they started and whether they are getting worse
The process is identical to reconstituting any peptide, with one notable difference GHK-Cu turns a faint blue-green color when dissolved
Oral absorption is poor and first-pass metabolism heavy, so both routes land in roughly the same place
Dependent on Digestive Health Individuals with intrinsic factor deficiency or severe malabsorption may not absorb enough B12
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