What is kratom?

Kratom is a popular herbal supplement derived from the dried leaves of a tropical evergreen tree in the coffee family. People use kratom to treat chronic pain, depression and anxiety. And some use it to lessen the symptoms of opioid withdrawal.

Anyone can buy kratom online, and it can be found at convenience stores, gas stations and vape shops. About 1.7 million people 12 and older used kratom in...