Some practitioners advocate weight-based dosing (e.g., 2.5-5 g/kg daily), while others use fixed doses (250-500 g daily) regardless of body size
The liver benefits from GHK-Cu exposure as well, and this is where the story comes full circle
Andrew: One thing that I know you've done a lot of work on and with are these peptides that can improve sleep, not just by virtue of enhancing growth hormone release but-- I'll just be very direct

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10.1038/s41531-018-0044-6 NPJ Parkinsons Dis