Amazing resource for half-life, peak plasma concentrations and more! User SuckDontChoo, in the Kratom subreddit, 11 Feb 2017
Pharmacokinetics of mitragynine in man - One of a FEW studies conducted on man User jsap071, in the Kratom subreddit, 10 Feb 2016
First peer-reviewed study in humans! User Coastal-Kratom, in the Welcome to KratomKorner! Brought to you by ViableKratom.com subreddit, 18 Jul 2015