Thursday, February 10, 2011


  • Simultaneous stimulation & sedation
  • Feelings of empathy
  • Feelings of euphoria
  • Aphrodisiac qualities for some people
  • Vivid waking dreams
  • Useful with physical labor
  • Relatively short duration
  • Change in ability to focus eyes
  • Analgesia
  • Very bitter taste
  • Dizziness, nausea and/or vomiting at higher doses
  • Mild depression during and/or after
  • Increase in (perceived?) body temperature. (feel hot and sweaty)
  • Hangover similar to alcohol
The effects of Mitragyna speciosa are described as being a combination of both stimulation and sedation. The stimulatory effects may be shorter in duration than the sedation effect, coming on faster and fading sooner.


Kratom (Mitragyna speciosa) is described as being a stimulant at low doses, and narcotic/sedative at higher doses. Dosages can vary greatly depending on the freshness of the leaf and the potency of the particular plant/strain. Fresh or freshly dried leaves are generally considered the most potent, but dried leaves are most common outside of SE Asia. Following are approximate dosages for oral (chewed or tea) dried and transported Kratom leaf in grams (as sold outside SE Asia).

IMPORTANT NOTE: There are 4 common grades of kratom leaves sold on the commercial market and each is a different potency. Some companies use the terms "Organic Commercial Grade" for the least potent (dosages 5-30 grams dried leaf), "Premium" or "Instant Premium" (dosages 2-15 grams), "Super" (2-8 grams) or "Super Enhanced" (dosages 1-5 grams). Many vendors do not use these labels for their products and the potencies are not standardized in any way. As of 2003, kratom sales usually seemed to include material that fell into the Commercial Grade, but Premium and Super Grade may now be the norm.

Nausea, dysphoria and vomiting are likely with overly strong doses, so it is important for kratom-tea drinkers to start low with the specific leaf material they have and slowly work the dosage up to avoid unpleasant effects.

A teaspoon of dried leaf is usually between 1.5 and 2.0 grams. 1 milliliter of dried leaf is usually between 0.3 and 0.4 grams.
Oral Kratom Dosages (dried leaf)
Enhanced (Extract Added)
Threshold1 gram
Light1-2 grams
Common2-3 grams
Strong3-6 grams

Oral Kratom Dosages (dried leaf)
Super Grade
Threshold1-2 grams
Light2-4 grams
Common3-5 grams
Strong4-8 grams

Oral Kratom Dosages (dried leaf)
Premium Grade
Threshold2-4 grams
Light3-5 grams
Common4-10 grams
Strong8-15 grams

Oral Kratom Dosages (dried leaf)
Low Potency (very uncommon as of 2008)
Threshold3-7 grams
Light5-10 grams
Common10-20 grams
Strong20-50 grams
Onset : 5-15 minutes
Duration : 2-5 hours
Normal After Effects : 3-6 hours
Get the best kratom at

Premium Kratom from Malaysia and Thailand
Premium Kratom from Malaysia and Thailand

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