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Copper peptide GHK-Cu
Intramuscular injection is technically more demanding and carries greater risk than the subcutaneous route, so it should only be undertaken with proper training and a clear anatomical understanding of the chosen site
The peptides are synthesized to exact amino-acid sequences with verified purity (typically 98% by HPLC) and sold with certificates of analysis
These include serious infection, uremia or renal failure, drugs with bone marrow suppression properties (e.g., chloramphenicol), or concurrent undiagnosed folic acid or iron deficiency anemia
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