What's Kratom? Kratom is a pure herbal nutritional supplement derived in the leaves of the Mitragyna speciosa tree, indigenous to Southeast Asia. It has been typically used for its stimulating and pain-relieving Attributes. Preferred Kratom Strains Crimson Vein Kratom: Most effective for rest and discomfort reduction. Environmentally friendly Vein Kratom: https://whatiskratom.info