How Long Do Lyophilized Peptides Last? Verified Peptides Ipamorelin Vial (10mg) High Purity Peptide Pure Bio Labs CJC 1295 (No DAC) Ipamorelin Blend 5mg 5mg Peptide Tech Most people don't ruin peptides in the syringe. They ruin them in storage. Peptides are delicate signaling molecules. Heat, light and unstable temperatures slowly degrade their structure long before the first injection Peptide Storage 101: Keep Your Peptides Potent + Protected If you've ever opened your package and thought, Wait why isn't this ice cold? you're not alone. Good news: lyophilized peptides are far tougher