Ah, glad to know kratom doesn't boost your serotonin like tramadol, because I hate that stuff! Even today with a 1000mg codeine habit, if I take even 1 tramadol pill (37mg) I get that awful antidepressant feeling... Once I was even close to serotonin syndrome, which is such an awful feeling (when I took 100mg as opioid naive). Also glad to know that higher doses and red (yep definitely was thinking of only taking reds really) wont feel anything like coffee/stimulants, and will actually make you