How to Reconstitute Peptides: Step by Step Peptide Stability: How Long Do Peptides Last? 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 Reconstitution of Lyophilized Peptides Liberty Peptides Storage makes a big difference in preserving the potency of reconstituted peptides. After mixing, the peptide solution must go straight into an airtight container and be kept in the inner part of Do Peptides Need to Be Refrigerated?