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Jan 3, 2026 Understanding what happens when stopping GHK-Cu requires examining the peptide's mechanism of action influencing collagen synthesis, skin regeneration, antioxidant effects, and anti-inflammatory properties to determine whether these changes represent temporary stimulation requiring ongoing supplementation or permanent improvements persisting after treatment cessation
However, while GLP-1 focuses primarily on glucose metabolism and appetite, GLP-2 has a completely different set of functions centered on intestinal health
doi:10.1016/s1470-2045(17)30607-1
Brizic, I
The ghrelin/GHRP system modulates pulse timing and frequency by acting at both hypothalamic (stimulating GHRH neurons, inhibiting somatostatin neurons) and pituitary (direct somatotroph stimulation) levels
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