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The Human Tripeptide GHK and Tissue Remodeling. Journal of Biomaterials Science U.S
Hagen TM, et al
Its role in energy metabolism can combat fatigue and improve exercise performance by enhancing muscle function and reducing muscle damage during workouts
Sterile Water for Injection (WFI): Suitable for single-dose preparations
Common side effects Injection-site reactions: mild redness, tenderness, swelling, occasional bruising - usually resolve within hours Skin flushing / warmth - brief, related to vasodilation Transient fatigue in the first 12 weeks of intensive protocols Mild headache - usually dose-related Higher-dose theoretical concerns Copper accumulation - each 2 mg injection adds roughly 0.03 mg of elemental copper, trivial next to the 0.92.2 mg from a normal diet
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