Proper peptide storage is one of the most important factors in maintaining the integrity of your research compounds. Improper storage can degrade peptides rapidly, leading to unreliable research results. This guide covers everything you need to know.
Lyophilized (Unreconstituted) Peptides
Lyophilized peptides are significantly more stable than reconstituted ones. When stored correctly, most lyophilized peptides remain stable for 1–2 years or longer.
Short-term storage (up to 4 weeks): Store at room temperature in a cool, dry location away from direct light. Suitable if you plan to reconstitute soon.
Long-term storage: Refrigerate at 2–8°C. For very long-term storage (months to years), freeze at -20°C. Minimize freeze-thaw cycles.
Reconstituted Peptides
Once a peptide has been reconstituted with bacteriostatic water, its shelf life shortens considerably. Most reconstituted peptides are stable for 4–6 weeks when refrigerated.
Always refrigerate reconstituted peptides at 2–8°C. Do not freeze reconstituted peptides — ice crystal formation can damage the peptide structure.
Key Storage Tips
Use bacteriostatic water (not sterile water) for reconstitution — the benzyl alcohol preservative in BAC water extends the stability of reconstituted peptides. Keep vials away from light. Use a quality vial holder to keep vials organized and minimize handling. Only reconstitute what you plan to use within 4–6 weeks.
Vial Organization
EhBuddy Peptides offers SnapLock vial holders in 15, 40, and 100-vial sizes to keep your research compounds organized and protected in the refrigerator.
All products sold at EhBuddy Peptides are for laboratory and scientific research purposes only. This guide is for informational purposes only.
