Its not that then but ive noticed once tolerance builds it can effect all doses effects and sometimes you can randomly feel low doses depending on the day and others you feel nothing until you reset your receptors. You will prob find its inconsistent quality or depending on how empty your stomach is or could even be your own tiredness levels when taking, there is to many factors but generally with no tolerance ive found that doses between 1.5 to 5g have simular affects just strongest toward 5g