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Comparison
GHK-Cu Injection Site Comparison
Lower Abdomen Moderate (85–90% bioavailability in fresh tissue) High if not rotated. Develops within 3–4 repeated injections Excellent. Easy self-administration 33–34°C (warmer, slightly faster copper dissociation) Best…
Source: realpeptides.co
Comparison
GHK-Cu Injection Site Rotation: Method Comparison
Same 2–3 sites repeated 2–3 zones None. Same sites every 2–3 days Very High. Lipohypertrophy develops within 3–4 weeks Poor. Absorption drops 30–50% as scar tissue forms Low. Easy to remember, minimal planning Unaccepta…