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Mitragynine is an indole alkaloid isolated from the plant Mitragyna speciosa, and acts as an opioid receptor agonist with preference for μ-opioid receptor. It is a neurochemical that exhibits stimulatory, antinociceptive, and opiate-like effects. https://www.bocsci.com/mitragynine-cas-4098-40-2-item-71458.htmlcontact supplier or email to admin@b2bgood.com for purchase help