it's insulin. its like getting caught with baby aspirin.
here is what I do "occasionally" if I am going to be gone for more than 4 days. I send myself a package of whatever I may to my hotel in advance. everything goes in it. I send just enough for that trip and nothing more.
No one will question insulin with insulin needles, my wife is type 1 diabetic never had a problem, fly often. Nobody outside of BB circles knows about insulin as a PED