Knowledge: Understanding Mitragyna speciosa
All articles from our knowledge section, sorted by topic. The collection explains the plant Mitragyna speciosa, its constituents and the legal situation in Germany and the EU – factual and without purchase advice.
Basics
- What is kratom?
- Kratom Effects: What Research Shows – and What Remains Open
- How Is Kratom Dosed? Why There Is No Universally Valid Answer
- Kratom varieties explained simply
- What is kratom harz or resin?
- Kratom Resin vs. Raw Opium: The Key Differences
- Kratom and Coffee: Why Both Belong to the Same Plant Family
- Kratom syrup and codeine syrup: why the comparison fails
Alkaloids and chemistry
- What Is an Alkaloid? Caffeine, Nicotine, Mitragynine – A Clear Overview
- What is mitragynine ?
- What is 7-hydroxymitragynine ?
- Mitragynin vs 7-Hydroxymitragynin
- Mitragynine vs. 7-OH-Mitragynine: What Sets the Two Main Alkaloids Apart?
- Kratom and its alkaloids
- Atypical Opioid: What the Technical Term Means for Mitragynine
- Pharmacokinetics: What Happens to Mitragynine in the Body
- Terpenes in Kratom: What Else Is in the Plant?
- Pharmacology light: How the body processes plant compounds – explained using kratom as an example
- Receptors explained simply with kratom context
- Kratom vs. CBD: A Botanical and Chemical Comparison
Law and regulation
- Is kratom legal?
- Kratom and Novel Food: What the EU Regulation Means for Buyers and Sellers
- Kratom and German Advertising Law (HWG): What Can You Say?
- The Problem with BtMG, NpSG and AMG: A Critical Analysis
- The US Agencies' 7-OH Threshold – and What Experts Argue Against It
- Kratom, Road Traffic Law & MPU: What Drivers Need to Know
- Kratom & traffic control: What is being tested ?
- Kratom & Travel: What to know before your trip
- The History of Drug Laws: The Opium War, Colonialism and Political Interests
Safety and quality
- The Risks and Safety of Kratom
- The Liver and Mitragyna speciosa: What the Case Reports Show — and the Scale That Belongs with Them
- Heavy Metals & Pesticides in Kratom: Why Quality Testing Matters
- Reading a Certificate of Analysis: What a COA States and What It Proves
- Harm Reduction: What Does the Concept Mean – and Why Does It Matter?
- Kratom & Tolerance: What Does Research Know About Habituation?
Interactions with other substances
- CYP2D6 and CYP3A4: The Principle Behind the Interaction Case Reports
- Kratom and Caffeine: What Does Research Say About the Combination?
- Kratom & Alcohol: What Does Research Say About the Combination?
- Kratom & Benzodiazepines: What Does Research Say?
- Kratom & Cannabis: Overlapping Receptor Systems?
- Kratom & Antidepressants (SSRIs/SNRIs): What Research Shows
Research and context
- Kratom Research 2025/2026: Where Do We Stand?
- Kratom & Pain Research: What Do Preclinical Data Show?
- Kratom and Sleep: Withdrawal, REM Sleep and the State of Research
- Kratom & Opioid Withdrawal: What the Research Shows – and What Self-Reports Cannot Prove
- What Is Buprenorphine? And Why Is the Comparison to Kratom Important?
- The Opioid Crisis: How Pharmaceutical Companies Created an Epidemic
- Kratom in the USA: How the Community Fought Bans – and Won
From the company
- Made in & Shipped from Germany – EU-wide with DHL
- Without animal-derived components: what our goods are made of
- Pay with Crypto – Bitcoin, Monero & more via BTCPay
- Card2Crypto – The Future of Payments in Our Shop
- Payment update: Card2Crypto & convenient alternatives
- Why your bank warns you about Kratoein as a recipient
All articles in chronological order: Knowledge blog and News.