Explainer | What is kratom the ‘legal heroin’, how dangerous is the drug and why is it now in WHO’s cross hairs?
- Geneva meeting to assess need for ‘critical review’ to decide on controls for plant substance
- Kratom’s opioid-like effects worry experts, but users say it’s safe, resist calls for controls

The substance is not illegal at the federal level in the US and many parts of the world, but there has been a debate for years over the need to regulate its use. Indonesia and Thailand are believed to be the largest producers, and the US, the main market.
Between October 11 and 15, the World Health Organization’s Expert Committee on Drug Dependence will meet in Geneva for a “pre-review” of kratom, a first step in assessing whether it should be added to a list of internationally controlled drugs.
The Post gets the answers to common questions about the substance now under scrutiny.

What is kratom?
Kratom is made from the leaves of the evergreen Mitragyna speciosa plant native to parts of Southeast Asia, including Indonesia and Thailand. It can come in the form of fresh or dried leaves, or a powdered extract.