People from Kalimantan (Borneo), believe that drinking water from wooden cup made of Pasak Bumi tree makes their blood bitter and disliked by the malaria mosquitos. Pasak Bumi or Eurycoma Longifolia is a plant used by inhabitants of Borneo in the treatments and healing. The plant is extremely bitter, and when one of its names is translated it means: “bitter charm”, or “bitter medicine”.
Now, it’s produced in the shape of a glass that is very easy to use. In order to keep the good health it can be used every morning or evening, after dinner. And while being sick, 3 times a day.