Should I use a desiccant when storing peptides?

It helps. Moisture is a major driver of degradation, so placing vials in an airtight container with a desiccant pack adds a useful layer of protection, particularly for long-term freezer storage. Peptides are hygroscopic and can pull water from the air once a vial is opened.

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.