What is the best way to store peptides that have not been mixed yet?

Keep the freeze-dried powder cold, dry, and out of light. For a short time, the fridge at 2 to 8 degrees Celsius is fine. For anything longer than about three months, the freezer at around minus 20 degrees Celsius is better. Keep the vial sealed and dry. Try not to freeze and thaw it over and over.

The whole guide to mixing peptides, step by step, in the order problems come up

Educational use only. This database summarizes published research and is not medical advice. Where a dose appears it is a record of what a trial or clinic ran, or what people describe doing, with its source attached. Nothing here is a recommendation for personal use.

Part of storing unmixed (lyophilized) peptides. How to store the freeze-dried powder before you add any water.