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The fact that your body already produces GHK-Cu naturally is not just a marketing talking point
Low vitamin D can lead to a range of health issues, including weakened bones, muscle weakness, and immune vulnerabilities
This mechanism also acts as a vital "on/off" switch for cellular signaling, modulating enzyme activity and controlling how DNA binds to transcription factors during an immune response
Linkermann A, Skouta R, Himmerkus N, Mulay SR, Dewitz C, De Zen F
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