Maeng da kratom, scientifically known as Mitragyna speciosa, originates from the heart of Southeast Asia. It’s native to Thailand and Indonesia. This variety of kratom is known for its versatility and can be used for medicinal and recreational purposes. It’s a popular choice for relieving pain and stress, and may even help in increasing productivity. Maeng da is one of the most powerful kratom varieties in existence. As a matter of fact, the effects exhibited by the strain can last for up to eight hours.