Red Kasongan is from Kasongan in Central Borneo. It is a medium potency kratom that comes on very smooth and lasts a long time. As in all Kratoms, it has strong pain killing properties, anti-inflammatory and boosts the immune system. Red is known for being the strongest in pain relief and is very relaxing. Many people use red kratom to help them sleep. Effects: Pain relief, relaxation, aids sleep. Potency: Medium