And also probably depends on the country your travelling to. If they try confiscate it, just say you left your prescription at home. Worst case scenario is they just dispose of it.
I always take my testosterone and needles on the plane. Probably taken around 10 flights with testosterone in my hand luggage and never had a problem. I usually put my needles in my checked in baggage though.
Exchanges such as kraken, Kucoin etc you can use your normal debit card through these platforms to buy crypto, which in turn will allow you to buy steroids with crypto on the approved sources on this forum.