Research peptides are shipped in the form of dry, lyophilized powder in sterile vials. The peptides are typically kept at -20 degrees Celsius and are sealed under an atmosphere of dry inert gas. However, the peptides can lose their quality and efficacy over time and must be stored under proper conditions. Peptides can be damaged by multiple freeze-thaw cycles, exposure to moisture and other factors. The use of cryoprotectants and stabilizing agents can mitigate this damage and improve the overall performance of peptides.
Reconstituting peptides from lyophilized powder requires mixing the peptide with an appropriate solvent or diluent. Generally, the recommended diluent for reconstituting peptides is bacteriostatic water. However, some peptides require a stronger solvent for optimal dissolution. To avoid damage to peptides, it is important to carefully follow the reconstitution instructions on your specific product.
To begin, remove the tops from both the peptide and bacteriostatic water vials (note that these tops cannot be reattached once removed). Clean the surface of each vial with an alcohol prep pad. Using a large sterile needle and syringe, withdraw the specified amount of bacteriostatic water from the vial that is instructed on the label in milligrams or micrograms (refer to the peptides’ product page for precise instructions).
After the correct volume of bacteriostatic water has been withdrawn, insert it into the peptide vial. Gently swirl the solution until all the peptide is fully dissolved. Avoid forceful tapping or shaking the syringe, as this can damage the structure of the peptide. Once reconstituted, peptides can be stored for up to four weeks when refrigerated. peptide vials