Welcome @JuliaWsM!
I’m glad that reading about it helped!
Sorry to hear about your own unexpected frozen insulin experiment. That’s a bummer!
There’s a few threads on insulin storage on here, but I like this one:
And I like to store ours in the door so it’s a) easy to find, and b) doesn’t roll away. My fridge freezes everything in the back it seems. Did you like frosty lettuce? No? How about half and half with ice?!? 