Red Ball isn’t a drug, the caffeine in it is, however. I’m guessing that you are deliberately misunderstanding for comedic effect, in which case (Checks Notes:) Ha-Ha!
And yes, we do have Red Bull in the UK, apparently it gives you wings, they say.
I only know what that drug is because it turned up in another strip a few days ago (Moderately Confused, 23 April 2024) and I asked what it was. Not being from the US I wasn’t aware of it because we don’t get those sort of adverts here in the UK.
She has made it clear in the past that she doesn’t want the others too physically close to her.