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For GHK-Cu specifically, the logic is sound even without direct evidence: cumulative copper exposure is lower with reduced frequency, and the gene expression changes initiated during loading persist during maintenance

Brain-gut Axis and pentadecapeptide BPC 157: Theoretical and practical implications

GHK-Cu reduces inflammatory cytokines and oxidative stress, creating a healthier environment for regrowth

Inflammation and its resolution in human health: implications for tissue repair
