Vijaysar, Malabar kino (Pterocarpus marsupium) – Properties, Benefits, Dosage Vijaysar is an important big tree whose bark is very useful in disease like diabetes. Its bark is known as “The miracle cure for diabetes”. Water is kept in the wooden glass of its bark overnight and that water is consumed by diabetes patients in early morning. It is very cheap and safe method for curing the diabetes. The color of this water changes to brown. One should change this glass