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GHK-Cu is a naturally occurring copper-binding tripeptide widely used in dermatological and wound-healing research
Specifically, storing it in a freezer (around -20C) is ideal for extended periods, perhaps months or even years
doi: 10.3389/fnagi.2026.1729015 Received 20 October 2025 Revised 30 January 2026 Accepted 09 February 2026 Published 27 February 2026 Volume 18 - 2026 Edited by Ashok Kumar, University of Florida, United States Reviewed by Jessica N
While you can eat foods like garlic, onions, and broccoli to support glutathione production, it is often difficult to raise levels significantly through diet alone
If sustainability is a concern, Sermorelin may offer more holistic benefits
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