human data limited to anecdotal reports Learn More GHK-Cu Overview GHK-Cu Overview Mechanisms: Copper-dependent tripeptide that upregulates collagen synthesis and reduces inflammation Learn More Primary Uses: Skin rejuvenation, wound healing, hair growth Learn More Administration: Topical application (creams/serums) Injection for deeper wounds Safety Highlights: Excellent topical tolerability
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On an empty stomach , because dietary fat and the insulin/glucose rise after a meal blunt the GH pulse
Some people also mention nausea, headaches, dizziness, tiredness, or sleep changes
Do not inject it in the morning or immediately after a meal
It's important to be precise here