What is ‘Cat’s Claw’ and why is Tennessee law enforcement warning public about it containing illegal compound?

TBI said it is seeing an increase in products marketed as Cat’s Claw that actually contain MGM-15, which is a compound made from kratom.
Published: Sep. 14, 2026 at 11:15 AM CDT

What This Story Is About

  • The Tennessee Bureau of Investigation is warning consumers and store owners about products labeled “Cat’s Claw” that authorities say may actually contain MGM-15, a compound made from kratom.

Why It Matters

  • Cat’s Claw is legal in Tennessee, but kratom is illegal in any form. TBI said mislabeled products can make it difficult for buyers and retailers to know what they are purchasing or selling.

What Happens Next

  • TBI is urging consumers and businesses to verify products. People needing substance-use help can call or text the Tennessee REDLINE at 800-889-9789.

For Context

Catch Up

NASHVILLE, Tenn. (WSMV) - The Tennessee Bureau of Investigation is warning consumers and retailers about products labeled “Cat’s Claw” that may contain an illegal kratom-related compound.

The TBI said it is seeing an increase in products marketed as Cat’s Claw that actually contain MGM-15, which authorities describe as a compound made from kratom.

What is Cat’s Claw?

Cat’s Claw, a South American vine, is legal to buy and consume in Tennessee. Kratom is illegal in Tennessee, according to the TBI.

“Don’t assume a product is safe or legal simply because of the name on the package,” the TBI warned.

What is ‘Cat’s Claw’ and why is Tennessee law enforcement warning public about it containing...
What is ‘Cat’s Claw’ and why is Tennessee law enforcement warning public about it containing illegal compound?(TBI)

TN sheriff warns of teens using kratom, buying it illegally at local businesses

Kratom is banned in Tennessee

Tennessee’s kratom ban took effect July 1. Since then, authorities have pursued cases involving alleged sales of the drug, including a Robertson County case in which a gas-station employee was charged after deputies said he sold kratom from a vehicle trunk.

Anyone needing help with a substance-use issue can call or text the Tennessee REDLINE at 800-889-9789.