Most peptides don't come ready to inject they come as powder for a reason. Peptides are lyophilized (freeze dried) to keep them stable and effective. When you receive them, you simply: Add GHK Cu Peptide 100mg For Copper Binding Research How Long is GHK Cu Good For SeekPeptides If you've ever felt lost trying to reconstitute GHK Cu, this one's for you. I walk you through how I prep it step by step, including transferring it to a larger vial. Think of this