I'm kinda unsure what you're asking? Did you get the effect you were looking for only when you took a big dose? Either way, you will be hard pushed to find a vendor in europe that had actual good kratom, kraatje used to be great but personally i gave up on them a couple of years ago, its kinda unfortunate to be honest. Ive heard good things about a vendor called the wildest kratom or something similar but i think the shop is down right now Ive been ordering from kratom bird because between