mu-opioid receptor

Does the FDA want to control kratom because they know it’s safe?

The Food and Drug Administration (FDA) has been an outspoken enemy of legal kratom since 2012. The FDA’s official stance on kratom as of 2019 has been to warn Americans that kratom is a dangerous drug that should never be consumed. The U.S. Food and Drug Administration is warning consumers not to use Mitragyna speciosa, …

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What is speciofoline? The understudied kratom alkaloid

The most studied alkaloids of the 40 identified in kratom are mitragynine (MG) and 7-hydroxymitragynine (7-OH). Recently, a team of researchers studied speciofoline (C22H28N2O5), a kratom alkaloid present in less than 1% of alkaloids. They found that speciofoline does not bind to mu-opioid receptors (MOR) like MG and 7-OH. They also found unexpectedly that levels …

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