kratom

Table of Contents

References & Edit History Quick Facts & Related Topics

Images

Kratom in bloom

Explore Britannica's coverage

Read Next

Aspirin pills.

7 Drugs that Changed the World

Photo of the antacid Tums

How Do Antacids Work?

Flower bingo

Britannica’s Flower Bingo

Abstract vector hi speed internet technology background

History of Technology Timeline

Plant seedlings emerging from rich fertile soil

Do Plants Feel Pain?

Discover

Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.

9 of the World’s Deadliest Mammals

After a perfect launch, spectators try to catch a last glimpse of Space Shuttle Columbia, barely visible at the top end of the twisted column of smoke.

7 Accidents and Disasters in Spaceflight History

Calendar showing the month of February

Why Are There Only 28 Days in February?

Amendments 1-10 to the Constitution of the United States constitute what is known as the Bill of Rights on an American flag.

What Is the Emoluments Clause?

Lead image for "A Timeline of the World in 8 Maps"

A Timeline of the World in 8 Maps

Space race (1957-1969) infographic between United States (U.S.) and Russia. America, Soviet Union, U.S.S.R., space exploration

Timeline of the Space Race, 1957–69

Hemp (Cannabis sativa).

9 Mind-Altering Plants

kratom: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

News •

As the use of Kratom rises, so do calls for regulations • Mar. 12, 2025, 9:47 AM ET (NBC)

Calls for regulation as Kratom use rises • Mar. 11, 2025, 12:22 PM ET (NBC)

Facts

Also Known As	Mitragyna speciosa

Photos

Kratom in bloom

See All Images and Interactives →

Topics

stimulant Adderall antidepressant betel cocaine methamphetamine nicotine amphetamine caffeine khat theophylline