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GHK-Cu is a natural copper-binding peptide complex consisting of the tripeptide glycyl-L-histidyl-L-lysine bound to copper
However, adding B12 without a documented deficiency offers no proven benefit and represents unnecessary cost and injection frequency
It's used for patients whose natural GH production has declined with age, typically presenting as increased body fat, reduced lean muscle, poor sleep, and low energy
Technology appraisal guidance TA664
Compounded Drug Warning The FDA has not approved compounded drugs and has issued safety alerts about dosing errors, product contamination, and other quality concerns
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