An indole alkaloid from tropical plant Mitragyna speciosa with psychostimulatory and opioid-like effects. It agonizes μ- and δ-opioid receptors and has anti-nociceptive properties. At low doses, the compound is stimulant but at high doses, it exerts sedative effects. It has been shown to induce conditioned place preference (CPP) in mice, indicating its role in reward and motivation pathways. Moreover, it has addiction potential with cognitive impairments.