I have had lots of good powders from ThomThom and can't fault their service but I haven't bought any since march. Going to try some of these recent batches. Something I have noticed with all kratom is depending on dose the effects change. There seems to be a blocking alkaloid in some batches that over a certain dose, frequency you get no effects. KUK Vietnam is one of my favourite strains but if I use it daily it stops working. Also if I use it over 2.8g I don't get much from it. Recently