It possibly isn't the best quality, I've nothing to compare it to as I've only ever tried Kratom from KUK, but I can always usually feel it. I prefer low dose for stimulant effects, I've tried different ones but currently I have the Bali Gold. I did get a Malay that I didn't feel much from and I think it depends on the batch but usually it does a job for me. My understanding is that strong Kratom is supposed to taste bitter, KUK's always just kindof tastes like green tea, so I dont think it's es