It's looking kinda bleak for europe at the moment but there are still sellers in other parts of the world.
- I tried Hera recently but she refused to do a resend so keep in mind she might not uphold her guarantees.
- There's estrapen which looks intriguing if you want to use an insulin pen.
- Open gate labs is good.
- Finally there's otokonoko which has been reliable for years. I've bought gel from them before.