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Safety depends on the specific peptide, dose, formulation, sourcing, route of administration, and patient health history

Medically reviewed by Missy Zammichieli, DNP, APRN, FNP-BC Published March 24, 2026 Book Consultation WHAT IS GHK-Cu

In rat wound healing studies, collagen synthesis increased 9-fold with peptide-incorporated collagen dressings

The fusion peptide demonstrated sleep-promoting effects, influenced neurotransmitter levels (5-HT, glutamate, dopamine, melatonin), and confirmed that the Tat cell-penetrating sequence was the more effective BBB carrier of two tested candidates establishing DSIP as a validated active scaffold for BBB-crossing fusion peptide sleep research and supporting the development of next-generation DSIP-based neuromodulatory tools