Red Borneo (aka Kalimantan, Ketapang, Jongkong, Hulu)

Red Borneo kratom icon

Most users describe Red Borneo kratom as highly pain-relieving and sedating. In moderate-to-high doses (2.5-5g+), it may relieve pain and promote relaxation. Although Red Borneo has a high sedation score, some users have reported that the strain is less sedating than other red kratom strains. Many users have also noted the strain’s prominent mood-boosting properties.

Given its sedative nature, Red Borneo is likely best suited for evening use. The strain doesn’t appear to be very stimulating, although this is typical for red kratom. Red Borneo’s duration may be above average, with effects lasting about 3-3.5 hours at moderate doses (2.5-5g).

Currently, we don’t have any evidence suggesting that this strain is more or less nauseating than others.

Due to the subjective nature of kratom and personal variations in body and brain chemistry, your experiences with this strain might differ from the average user.


Kratom vendors and users often label, market, or refer to Red Borneo as Kalimantan, Ketapang, Jongkong, or Hulu.

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Strain Breakdown
Average scores from users
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😴 Sedation
⚡ Stimulation
🩹 Pain Relief
😀 Euphoria
🤢 Nausea (higher is better)
⏰ Duration
Based on 2 Visitor Reviews
User Average
  • Could relieve pain and discomfort
  • Can elevate mood and promote relaxation
  • Potentially less fatiguing than other red strains
  • Could be less relaxing than other red strains
  • May provide poor stimulation

Red Borneo’s seemingly sedating and pain-relieving nature might interest those suffering from chronic pain.