The CDC says kratom, an herbal supplement, was a cause of deaths in 91 fatal overdoses in the United States from July 2016 to December 2017. USA TODAY

JACKSON — Mississippi legislators have killed bills that would either ban or regulate kratom, an herbal drug that can be used for pain relief.

Kratom is currently unregulated in most parts of the United States, but has been outlawed by a few local governments in Mississippi amid concerns that it can be harmful.

Kratom is derived from a tree that’s native to Southeast Asia.

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