What is kratom? Origin, plant and varieties explained simply.
- UNSER KRAUT Media

- 3 hours ago
- 6 min read

Kratom is becoming increasingly popular in Europe, raising many questions along the way. What exactly is this plant? Where does kratom originate – and why are there different varieties?
This article explains in an easy-to-understand way what kratom is, where it grows, and what factors determine the quality and differences between the individual varieties.
Origin: Where does the kratom tree grow?
The kratom tree is a tropical, evergreen tree originally from Southeast Asia . Botanically, the plant is called Mitragyna speciosa and belongs to the Rubiaceae family, the same plant family as coffee.
In its natural environment, the tree can reach impressive sizes:
Average height: approximately 10 to 15 meters
Under optimal conditions: up to 25 meters
The kratom tree grows primarily in tropical regions with high humidity and nutrient-rich soil. The most important countries of origin include:
Indonesia
Thailand
Malaysia
Papua New Guinea
However, the vast majority of kratom available today in Europe or the USA comes from Indonesia .
How is kratom extracted?
The processing mainly uses leaves from older kratom trees . These leaves are considered particularly suitable for further processing.
The typical processing sequence looks like this:
• Harvest the ripe leaves
• Drying directly after harvest
• subsequent grinding into a fine powder
• Export to various countries
Depending on the processing step and drying method, different kratom variants can be produced.
The three main types of kratom
Kratom is usually divided into three basic categories :
Red Vein Kratom
Green Vein Kratom
White Vein Kratom
The term "vein" refers to the veins on the underside of the kratom leaves.
Development of leaf veins
As the tree ages, the color of these leaf veins often changes:
Younger leaves often have light or white veins.
They become greener with age.
Very mature leaves may develop reddish or brownish veins.
However, this development is not a fixed rule. Factors such as genetics, soil composition, climate, and sunlight can also influence leaf structure and color.
A common misconception about kratom strains
It is often assumed that a particular strain of kratom is always made from leaves with exactly that vein color. In practice, however, it is considerably more complex.
The differences between the various kratom strains arise primarily from:
• the time of harvest
• the drying method
• the light conditions during drying
• various processing methods
Numerous variations can arise from different combinations of these factors.
How can you recognize high-quality kratom?
The quality of kratom depends heavily on several factors. The timing of the harvest is particularly crucial.
Harvesting too early or too late can affect the composition of the leaves' natural ingredients. Therefore, experienced growers pay very close attention to when the leaves are harvested.
Other important quality factors are:
• careful drying
• controlled processing
• gentle grinding processes
• Selection of mature leaves from older kratom trees
These factors significantly influence the quality of the finished kratom powder.
Quality differences in the kratom market
As with many natural products, there are significant quality differences between different offers of kratom.
While high-quality kratom consists of carefully harvested and gently processed leaves, occasionally products appear that may be contaminated or adulterated with synthetic substances . Such cases have been reported in the media in recent years.
Therefore, it is particularly important to pay attention to transparent origin, tested quality and reputable suppliers .
What role does the mitragynine content play?
A key natural component of kratom leaves is the alkaloid mitragynine . This plant compound occurs naturally in Mitragyna speciosa .
Mitragynine levels can be influenced by various factors:
Age of the leaves
Cultivation area
Climate and solar radiation
Harvest time
Processing and drying
Varieties made from mature leaves of older trees often have a comparatively higher natural mitragynine content .

Carefully selected kratom strains
Our CBD hemp and natural products range only includes carefully selected kratom varieties.
These are characterized in particular by:
• careful selection of raw materials
• controlled processing
• and a comparatively high natural mitragynine content
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Since it is a natural product, the composition may vary slightly depending on the harvest.
Why reputable providers are important
Especially with plant-based natural products, quality assurance along the entire supply chain is crucial.
Reputable providers therefore pay attention to:
• Traceable origin of raw materials
• careful processing
• regular quality controls
• Transparent product information
These factors help ensure that customers receive products whose quality remains as consistent as possible.
Those interested in different types of kratom will find a selection of tested products in our kratom category at Unser Kraut .
FAQs – Frequently Asked Questions about Kratom
Is the kratom from Unser Kraut lab-tested?
The kratom varieties offered come from specialized suppliers and are analyzed as part of quality control. Laboratory tests are conducted to check for ingredients and potential contaminants, among other things.
What quality controls are carried out at the manufacturer in Austria?
Various quality controls can take place at the manufacturer and in the supply chain, for example:
• Inspection of raw materials
• Analysis for possible contaminants
• Control of the processing steps
• Inspection of individual batches
These measures help to ensure the most consistent product quality possible.
What effects are attributed to kratom?
Kratom contains natural alkaloids such as mitragynine , which can interact with receptors in the human body. The plant has been used for centuries in its traditional countries of origin.
The perceived effects can vary depending on the variety and the individual. However, scientifically substantiated health-related claims are currently limited.
Is kratom legal in Austria?
The legal classification of kratom varies from country to country. In many European countries, it is not sold as a food or medicine , but rather, for example, as a botanical or art product .
The current legal situation should therefore always be checked in the respective country.
Is there a risk of addiction with kratom?
Some studies indicate that regular and long-term use can lead to habituation or dependence, similar to coffee. Therefore, responsible use of herbal substances is recommended.
Why is kratom currently being discussed worldwide?
In recent years, kratom has increasingly become the focus of science, authorities, and the media . This is due, among other things, to the growing interest in the Mitragyna speciosa plant and its natural ingredients such as mitragynine.
In parallel, research institutions and authorities are focusing more intensively on various topics related to kratom, including:
• chemical composition of the plant
• possible risks and side effects
• Quality differences in products
• Legal classification in different countries
In addition, isolated cases of contaminated products or products containing synthetic substances have been discovered in recent years. Some of these cases have been covered in media reports, leading to increased public discussion about product safety and quality control .
For this reason, many reputable suppliers today place particular emphasis on transparent origin, quality checks and traceable supply chains .
Are there any scientific studies on kratom?
In recent years, several scientific studies have focused on the plant Mitragyna speciosa and its natural constituents. The alkaloids mitragynine and 7-hydroxymitragynine , which occur naturally in the leaves, have been of particular interest.
The research examines, among other things:
• the chemical composition of kratom leaves
• possible mechanisms of action in the human body
• Risks and side effects
• possible dependency mechanisms
• traditional use in Southeast Asia
Many of these studies come from universities and research institutes in the USA, Europe and Southeast Asia .
Examples of scientific studies
Some frequently cited scientific papers include:
Prozialeck et al. (2012) A review of the pharmacology and potential risks of the kratom plant.
Kruegel & Grundmann (2018) A scientific analysis of the alkaloids of the kratom plant and their pharmacological properties.
Singh et al. (2019) Studies on the traditional use of kratom in Malaysia and possible effects of regular use.
Hemby et al. (2019) Investigations into the most important alkaloids of the plant and their interaction with certain receptors.
Legal notice
The studies mentioned serve to scientifically classify the plant Mitragyna speciosa. They do not constitute health-related claims or application recommendations.
Why is kratom banned in some countries?
The legal status of kratom varies significantly worldwide. While the plant is freely available in some countries, it has been restricted or banned in others.
One reason for this is that authorities are investigating potential health risks, side effects, or addiction mechanisms . In addition, there have been isolated reports of products being contaminated or containing synthetic substances .
Because scientific data is still limited and legislation is constantly evolving, different countries decide differently on how to handle kratom. Therefore, legal regulations can change at any time.
Legal notice
Kratom is a natural plant product. Its legal classification may vary from country to country. This article provides general information about the Mitragyna speciosa plant and does not constitute a recommendation for its use.
For legal reasons, we would like to point out that the effects of hemp and cannabinoids (CBD) described here are based solely on public scientific reports, expert opinions, publications, and user experiences, and should not be understood as instructions for use or a promise of healing. This text is in no way a substitute for professional medical advice and should not be used as a basis for self-diagnosis or for starting, changing, or stopping any treatment for illnesses. Always consult your doctor if you have any health questions or concerns!





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