If you’ve been looking for safer options for pain relief, kratom — a Southeast Asian plant with at least 40 naturally occurring bioactive alkaloids — has probably popped up in your search results more than once.But, how do can you know the differences in quality, potency and safety between naturally sourced kratom products?Alexander Karp, chief scientific officer for ETHA Natural Botanics, describes his journey to find pain relief with kratom, the perils of an unregulated marketplace and why ...