Everything you'd ask before buying.

2–8 °C, upright, away from direct light. Reconstituted vials typically hold for 4–6 weeks. Our cases keep vials upright and shock-absorbed so stoppers don't get knocked loose in your fridge or your bag.

Cool, dry, dark. Room temperature works for short windows; -20 °C is best for long-term storage. Avoid repeated freeze-thaw cycles — they degrade the peptide.

4–6 weeks at 2–8 °C for most peptides. Some are shorter — check the specific compound. Discard the vial if you see cloudiness, discoloration, or particles in the solution.

Sterile water with 0.9% benzyl alcohol that prevents bacterial growth, so a reconstituted vial stays usable for weeks instead of days. Every Pep Prep case has a centre slot for your BAC water vial.

Precision-cut slots sized for standard peptide vials (10 × 75 mm) hold each vial upright and snug — no rolling, no rattling, no chipped stoppers. The rigid outer shell guards against crushing, and the StealthVault's thermal core buffers ambient temperature swings during transit.

Yes — in your carry-on. The cargo hold can hit extreme temperatures that degrade peptides. For reconstituted vials, pair the case with a small insulated pouch. Always check current TSA / your local equivalent rules before you fly; quantities under standard liquid limits in original sealed containers are typically fine.

Yes. StealthVault is the most compact (knurled cylinder), HexVault the largest (7-vial hex). All three fit standard household and mini-fridges. If you're rotating between hotels, the StealthVault is the easiest to tuck behind a kettle.

Free on orders over $100 NZD. Standard shipping is 3–7 business days depending on location. You'll get a tracking number when your order is dispatched.

Arrived damaged or defective? Email hello@pepprep.shop within 14 days and we'll replace it. We can't take back used cases for hygiene reasons. Lifetime warranty covers manufacturing defects — if a case fails in normal use, we replace it.