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When complexed with copper, it forms GHK-Cu, which is the biologically active form

Circadian pathway Modulation of the circadian rhythm Regulates sleep-wake cycles Normalizes sleep disorders Effects lasting several days Opioid route Endogenous opioid system Pain perception module Blocked by naloxone Supports weaning management Stress response Hypothalamic-pituitary-adrenal axis Reduces stress responses Reduces cortisol secretion Improves stress management Unique biological properties Unlike most peptides, DSIP freely crosses the blood-brain barrier and can be absorbed by the intestine without enzymatic degradation

Its potential molecular features include elevated urinary ferritin, increased ACSL4 expression, reduced GPX4 levels, increased MDA and ROS, and activation of ALOX15 and HMOX1 (Wu et al., 2023

DSIPs ability to enhance sleep quality during whatever window is available makes it potentially valuable for this population