if these need a fridge how does anything survive being shipped?
cold_chainSenior Analyst
Question that follows naturally from the storage threads.
Answer: powder and solution have very different tolerances and shipping happens in the powder state.
Without water, hydrolysis (the main degradation route) is mostly off the table. What's left is temperature driven, and the rates at ambient temp over days are generally low enough that a few days in transit is tolerable for many peptides.
General statement, not a guarantee for any specific compound. Some are a lot more heat sensitive. And extremes matter, a package sitting in direct sun is a different scenario from a few days at room temp.
Says nothing about after you mix it, which is where the real fragility lives.