Why pro? Because I have 20 bags of Kratom. My daily consuption of Kratom is around 6 grams two times a day. I have seen people on reddit take over 40 grams. They are pro. I am still a ropkie even I have been taking for 7 years. Btw 50% of this I took 2 or 3 times, because it is total shi*. Cheers