People suffering from chronic pain are increasingly moving over to herbal remedies because they know how harmful pain killers can be. Amongst the natural pain relief alternatives, Kratom is a substance that is fast emerging as an effective one. The substance comes from a tropical tree that is native to Thailand, Indonesia, Malaysia, and Papua New Guinea. Its leaves contain an active chemical called mitragynine, which is similar to opioid drugs and provides fast, effective and lasting pain relief. At the same time, it does not cause addiction-like opioids to do. Since kratom is natural, safe and effective, it makes perfect sense to try it as a pain relief remedy. But before you do it, here are some key facts that you need to be aware about.