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Gaudncio FN et al
While GHK-Cu supports regeneration and repair, Matrixyl focuses on collagen stimulation, and Argireline targets neuromuscular activity
From a research-design standpoint, timing matters because GH secretion is pulsatile and influenced by food intake, sleep cycles, glucose, and endogenous somatostatin signaling
the Strategic Priority Research Program of Chinese Academy of Sciences XDB37030103 (H.E.X.)
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