clavicular ghk cu GHK-Cu (100mg) 6ml Vial Clavicular Ghk Cu

Systemic effects less commonly include mild dizziness or lightheadedness (may be copper-related), temporary nausea or headache (typically resolves within hours), mild fatigue (rare, reported with higher doses), and transient flu-like symptoms (very rare, may relate to systemic inflammatory response)

DOI: 10.1002/adbi.20230025 Feature image credit: Kenny Eliason on Unsplash

GHK-Cu (glycyl-L-histidyl-L-lysine copper) is a naturally occurring peptide found in human plasma and tissues

FDA Provided Clarity on GHK-Cu On May 14, 2026, the FDA restored non-injectable GHK-Cu to Category 1 of the 503A bulk drug substances list, confirming that the earlier withdrawal applied only to injectable routes of administration

In the rats that received GHK-Cu, the researchers found an increase in total protein and collagen synthesis greater than that of the placebo group, demonstrating that GHK-Cu is able to increase extracellular matrix accumulation in wounds in vivo .28 Are GHK-Cu copper peptides safe