What is Kratom? Kratom is really a pure herbal nutritional supplement derived in the leaves from the Mitragyna speciosa tree, native to Southeast Asia. It's been historically used for its stimulating and pain-relieving Attributes. Preferred Kratom Strains Crimson Vein Kratom: Best for relaxation and suffering relief. Environmentally friendly Vein Kratom: https://whatiskratom.info