“Over the past several months, there have been many questions raised about the botanical substance known as kratom. Our concerns related to this product, and the actions we’ve taken, are rooted in sound science and are in the interest of protecting public health. However, we recognize that there is still much that is unknown about kratom, which is why we’ve taken some significant steps to advance the scientific understanding of this product and how it works in the body. Today, we’re providing details of some of the important scientific tools, data and research that have contributed to the FDA’s concerns about kratom’s potential for abuse, addiction, and serious health consequences; including death.

Notably, we recently conducted a novel scientific analysis using a computational model developed by agency scientists, which provided even stronger evidence of kratom compounds’ opioid properties. These kinds of models have….”

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https://www.fda.gov/NewsEvents/
Newsroom/PressAnnouncements/
ucm595622.htm