ghk-cu peptide injections safety FDA scientists flag concerns with peptides as RFK Jr. tries to ease access : NPR GHK-Cu (Copper Peptide) Deep Dive:

Before Reconstitution Store sealed vial in a freezer at -20C (4F) Keep away from light and humidity After Reconstitution Store at 4C (39F) Use within 14 days Avoid repeated freeze-thaw cycles This compound is supplied as a lyophilized powder

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GHK-Cu combines a well-characterized tripeptide scaffold with high-affinity copper(II) coordination, resulting in a defined metallopeptide structure that has been extensively investigated in coordination chemistry and signaling research

Cell 134 (4), 657667 (2008)

Katrina Caldwell, the chief diversity officer, went on leave in February, according to Keller and a former office employee