Generally everything does and whilst KB isn't the strongest (kratom is a joke worldwide nowadays compared to like 18yrs ago. But those two strains are my current go-to's in the EU if not for anything but the decent effect and the incredible price. A kg for 80€ is much more how it should be, and is even you buy from Indonesia but most places will charge literally 4x that fit stuff that's on par with some KB strains. I would say though that personally I find the rest of their strains uninspiring a