Objective: Recently, the US Food and Drug Administration investigated the contamination of kratom (Mitragyna speciosa) by , an event that caused an outbreak in 20 states after its consumption. Therefore, we investigated 16 different bags of kratom submitted for testing for potential contamination with and other microorganisms within the Public Health Laboratory for the state of South Carolina.
Materials And Methods: All kratom powders collected were analyzed for potential contamination with bacteria by an in-house modified Food and Drug Administration's Bacteriological Analytical Manual procedure.
Results: Out of 16 products analyzed, six brands have unknown manufacturers, but manufacturer information was available for the other 10 products. In total, three brands of kratom showed presence of any .
Conclusions: Recently analyzed kratom products show a presence of .
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