yea, drugs do too. but they go through forced degradation testing first, which determines how quickly they can run accelerated. [edit - we do forced degradation on an increasing amount of our stuff too]We do 1, 2 or 3 year real time and accelerated shelf life testing, but that's on devices/consumables. Not sure if drugs go through accelerated or not?
Either way, takes a shitload of time and money, likely a magnitude higher for drug testing vs. devices/consumables.
we have products with 10 year shelf life.