Source room

Follow the evidence. Open the law. Check the date.

Core sources behind the education and legal directory, with government and primary legal material prioritized wherever available.

Editorial standard

Experience, emerging science, and established facts each have a place.

We accurately describe why adults choose kratom while distinguishing personal reports from clinical evidence; natural leaf from enhanced 7-OH and synthetic or semi-synthetic derivatives; federal scheduling from FDA market status; and enacted rules from proposals. The federal, state, territory, and local directory carries a September 7, 2026 review date.

Intergovernmental review

Kratom Pre-Review Report

World Health Organization

Global review of botany, historical and contemporary use, oral preparations, pharmacology, harms, dependence, and international controls.

Historical research

A Study of Kratom Use in Thailand

United Nations Bulletin on Narcotics

A 1975 account of occupational, social, and folk-medicine contexts in Thailand; historical description is not proof of efficacy.

Government

FDA and Kratom

U.S. Food and Drug Administration

Federal regulatory position, adverse events, contamination, and research limits.

Government

Products Containing 7-OH Can Cause Serious Harm

U.S. Food and Drug Administration

Consumer warning covering added or enhanced 7-OH tablets, gummies, drink mixes, and shots.

Government

Hiding in Plain Sight: 7-OH Products

U.S. Food and Drug Administration

2026 update on federal action aimed at elevated 7-OH and synthetic derivatives.

Government

Temporary Placement of 7-OH Above a Specified Threshold

Federal Register

DEA notice of intent and the proposed distinction between elevated 7-OH and natural trace levels.

Primary federal law

Schedule I Order for Mitragynine Pseudoindoxyl, MGM-15, and MGM-16

Federal Register

Final temporary order effective August 26, 2026 covering the three compounds plus specified isomers, esters, ethers, and salts.

Government

Emergency Scheduling of Three Potent Opioid Compounds

U.S. Department of Justice

August 2026 temporary Schedule I placement of mitragynine pseudoindoxyl, MGM-15, and MGM-16.

Government

Kratom

National Institute on Drug Abuse

Research overview of effects, use, dependence, and knowledge gaps.

Peer-reviewed research

Survey of More Than 2,700 U.S. Adults Who Use Kratom

Drug and Alcohol Dependence

Peer-reviewed survey reporting reasons for use, perceived benefits, adverse effects, and indicators of kratom-use disorder in a self-selected sample.

Peer-reviewed research

Naturalistic Study of Regular Kratom Consumers

Experimental and Clinical Psychopharmacology

Controlled observational research examining acute effects among adults who regularly use kratom in their daily lives.

Peer-reviewed research

Examining the Psychoactive Differences Between Kratom Strains

Journal of Psychoactive Drugs

Peer-reviewed survey of customer-reported subjective differences among commonly marketed red, green, and white strain categories; reports are not guarantees or medical claims.

Peer-reviewed research

Chemical Profiling and Alkaloid Analysis of Commercial Kratom Products

Scientific Reports

Research showing meaningful chemical variation across commercial products and why a strain name alone cannot establish composition.

Peer-reviewed research

Quantitative Validation Across Commercial Kratom Products

Journal of AOAC International

Analytical research supporting measured product and batch information rather than assumptions based only on color or strain labels.

Government

Kratom-Related Reports to Poison Centers, 2015–2025

Centers for Disease Control and Prevention

National Poison Data System trend report published in 2026.

Legal research

Kratom: Summary of State Laws

Legislative Analysis and Public Policy Association

122-page jurisdiction-by-jurisdiction baseline covering all states, D.C., and five inhabited U.S. territories; research current through January 2026.

Clinical education

What is kratom?

Poison Control

Signs, reported adverse effects, overdose response, and poison-help access.

Government

National Helpline

SAMHSA

Confidential, 24/7 treatment referral and information.

Industry tracking

Restricted ZIP Codes

Global Kratom Coalition

Best-effort vendor list of addresses where leaf-product sales are restricted; independently verify.

Primary law

2026 Chapter 63

Minnesota Revisor of Statutes

Official 2026 change raising the kratom age threshold to 21.

Government

Emergency Kratom Action

North Dakota Governor

Official notice of the August 2026 temporary statewide prohibition.

Government

Kratom Enforcement Update

California Governor

September 2026 statement on California's retail and manufacturing enforcement position.

See something that changed?

Kratom rules are moving unusually quickly in 2026. Send a correction through the contact page with the exact government source. Commercial shipment decisions should always use a current address-level review rather than relying on a static article alone.