General info
Why peptides need the cold chain in the first place. 8 articles.
Do peptides go bad in the fridge?
Whether refrigeration alone guarantees a peptide stays good, and what else determines how long it actually lasts.
Does retatrutide lose potency over time?
What actually causes a peptide to lose potency, and how temperature and time both play a role.
What happens if retatrutide isn't refrigerated
What actually happens to a retatrutide vial left out of the fridge, and how the answer differs by how long and in what state.
The right storage temperature for retatrutide powder
The recommended temperature range for storing lyophilised retatrutide powder, and why it differs from the reconstituted form.
How to tell if retatrutide has gone bad
The visible and situational signs that suggest a retatrutide vial may no longer be good to use.
Why peptides need a cold chain at all
The basic chemistry behind why peptides like retatrutide and tirzepatide require temperature-controlled shipping and storage.
GLP-1 side effects, a plain overview
What people commonly report on GLP-1 peptides like retatrutide and tirzepatide, and when it tends to happen.
How GLP-1 drugs work
A plain-language look at how GLP-1 receptor agonists affect appetite, digestion and blood sugar, and why they're temperature-sensitive.