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The effects of kratom can vary significantly depending on the strain, serving size, and people’s individual physiological differences. 

The following guidelines offer an overview of kratom serving sizes, which should be tailored to individual tolerance, desired outcomes, and familiarity with the herb. It is critical for new users to begin with lower amounts and incrementally increase to discover the most effective and safest serving.

Typically, a kratom serving size range is between 2 and 8 grams – a bit higher depending on body weight (see the chart below).

  • Less than 2 grams is considered a micro serving.
  • Between 2 and 6 grams is an average serving.
  • Over 6 grams is a larger serving size.

Individuals who prefer the energizing effects of kratom often opt for a small serving size, while those seeking relaxing effects might choose a slightly larger serving size.

Kratom Serving Sizes

Important Factors Impacting Kratom Serving Sizes

Individual variation

No two people are exactly alike, therefore, people respond to kratom differently due to factors such as body weight, metabolic rate, and existing tolerance to kratom.

Body weight and body fat percentage

Your body weight and body fat percentage play a critical role in how quickly kratom is absorbed into your bloodstream and the duration it remains in your system.

Metabolic rate

Your metabolism significantly affects how your body processes botanicals such as kratom. 

Factors like age, body weight, gender, and metabolic speed influence the duration of kratom’s effects. Individuals with a faster metabolism may metabolize and eliminate kratom more swiftly, while those with slower metabolisms may feel the effects for a longer period after the same serving size.

Drinking plenty of water before or alongside kratom can enhance its absorption

Food and water

Consuming fatty foods and drinking plenty of water before or alongside kratom can enhance its absorption and expedite its elimination from your system. Conversely, taking kratom on an empty stomach or while dehydrated may slow these processes.

Tolerance levels

Regular use of kratom, similar to herbal substances and caffeine, affects your response to it. Building a high tolerance may diminish the perceptible effects of kratom, but it could also cause it to remain in your system for a longer period compared to occasional use.

Strain differences

Different strains of kratom can have varying effects; for instance, red vein strains tend to be more relaxing, white vein strains are usually more energizing, and green vein strains typically offer a balance of both.


Kratom’s strength can vary based on several factors such as the plant’s source, age, and how it’s processed. Therefore, serving sizes might not be universally standard and could vary in their effects from one batch to another.

Kratom Serving Size Chart 

According to, this is a general recommendation of kratom serving sizes in proportion to body weight.

Your Weight in Lbs Your Weight in KG Energizing Serving Size Relaxing Serving Size
80 36 2 grams 3.5 grams
100 45 2.5 grams 4 grams
120 54 3 grams 5 grams
140 63 3.5 grams 5.5 grams
160 72 4 grams 5.5 grams
180 81 4.5 grams 6.5 grams
200 90 5 grams 8 grams
220 99 5.5 grams 9 grams
240 108 6 grams 9.5 grams
260 117 6.5 grams 10 grams
280 127 7 grams 11 grams
300 136 7.5 grams 12 grams

How to Measure Your Kratom Serving Size

To accurately measure your kratom, it’s best to use a small scale to weigh it. Affordable scales can be purchased on Amazon or at a local shop, typically for $20 or less. Food scales are also available at stores like Walmart.

Although it’s common to measure kratom by volume (such as teaspoons or tablespoons), this method is less precise due to the different grind levels of kratom powder. For example, a teaspoon of kratom usually holds about 2.3-2.7 grams, but a finely ground kratom can weigh up to 3.5 grams as it packs more densely.

If you don’t have access to a scale, measuring serving size by volume is still feasible, but keep in mind it won’t be as accurate. To ensure greater consistency, use level scoops and the same measuring spoon each time. The method of filling the spoon—whether packed or loosely—will also influence the amount.

Always Seek the Highest Quality Kratom

Always Seek the Highest Quality Kratom Available

Since kratom is not federally regulated, it’s crucial to purchase from only the most reputable sellers.

For over a decade, MIT45 has been dedicated to introducing kratom to the world responsibly. Starting from modest beginnings, we now support a diverse community of individuals from various backgrounds who use kratom to enhance their lives to the fullest.

MIT45 only offers kratom products that are independently tested for identification, heavy metal content, and other contaminants. In other words, this type of testing confirms that the product contains the ingredients listed, and no added substances that might be considered a threat to your health.

The following substances are tested for during the laboratory analysis:

  • Heavy Metals: Arsenic, Cadmium, Lead, Mercury
  • Microbes: Aerobic Plate Count, Yeast and Mold, Coliforms and E Coli, and Salmonella

Only products that pass these rigorous tests are made available to order. To further evidence the safety of our products, a Certificate of Analysis for each batch (“Lot”) is available for you to view.

Now that you have a better understanding of kratom serving sizes, you can look forward to incorporating it into your routine.  

As you explore kratom’s therapeutic benefits, remember to monitor your body’s reactions and adjust your serving size as necessary. 

Starting with lower amounts is essential, not only to assess your tolerance but also because of the variability in kratom’s strength and the serving-dependent nature of its effects. Always remember to enjoy kratom responsibly. 

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