doi:10.1016/j.coph.2013.03.015
The copper content of GHK-Cu formulations has been a theoretical safety consideration, given that excessive copper can be toxic - however, the amounts used in cosmetic and research applications are extremely small, the copper is tightly chelated by the peptide (reducing free copper availability), and topical absorption of copper from these products appears minimal and well below levels that would cause systemic copper accumulation or toxicity
GHK-Cu is a signaling peptide focused on repair and collagen production, not on increasing cell turnover in a way that causes purging
Plant Sci 170(6):11181124 Hernndez-Ruiz J, Arnao MB (2008) Distribution of melatonin in different zones of lupin and barley plants at different ages in the presence and absence of light
Current Projects & Documentaries (02:16:40) Podcasting & Conversation (02:25:41) Zero-Cost Support, Spotify & Apple Reviews, YouTube Feedback, Sponsors, Momentous, Social Media, Neural Network Newsletter Disclaimer Day 166 David Goggins: How to Build Immense Inner Strength In this episode, my guest is David Goggins, retired Navy SEAL, highly accomplished ultramarathoner, best-selling author, and influential public speaker
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