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User 2 followed exactly this structure for a 12-week beginner protocol, running 250 to 500mcg daily during the loading phase and dropping to 250mcg daily for maintenance
For now, any decision to use GHK-Cu injections should be made with full awareness of the current knowledge and limitations
doi: 10.1038/s41467-022-32477-9 207 XuJZhouLLiuY
The enzyme gamma-glutamyltransferase (GGT) in the intestinal lining breaks the glutathione tripeptide into its component amino acids before it reaches systemic circulation
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