Honestly, my last microwave had a button that broke. I got a new one. Before i ditched the old one i tried it. That way if it fucked up the unit or the vial, i didn't have to worry about it. Ever since then, if i have a crashed anything, it is my go to.I would never put a vial of steroids in a microwave. I don't have a reason why, it just sounds kind of stupid