Huisman, G.; Menke, M.; Grundmann, O.; Schreiber, R.; Mason, N. Examining the Psychoactive Differences between Kratom Strains. Int. J. Environ. Res. Public Health2023, 20, 6425.
Huisman, G.; Menke, M.; Grundmann, O.; Schreiber, R.; Mason, N. Examining the Psychoactive Differences between Kratom Strains. Int. J. Environ. Res. Public Health 2023, 20, 6425.
Huisman, G.; Menke, M.; Grundmann, O.; Schreiber, R.; Mason, N. Examining the Psychoactive Differences between Kratom Strains. Int. J. Environ. Res. Public Health2023, 20, 6425.
Huisman, G.; Menke, M.; Grundmann, O.; Schreiber, R.; Mason, N. Examining the Psychoactive Differences between Kratom Strains. Int. J. Environ. Res. Public Health 2023, 20, 6425.
Abstract
Kratom (Mitragyna speciosa) is a Southeast Asian plant containing various alkaloids which induce pharmacological effects in humans. In Western countries, online vendors sell a variety of different kratom strains which are marketed to have distinct effect profiles. However, as of yet such marketing claims are unsubstantiated, and therefore the current study investigated whether differently colored kratom products can induce unique effects, as self-reported by users. 644 current kratom users were anonymously surveyed to compare the self-reported effects and motivations for using kratom products sold as red, green, and white strains. Most of the survey respondents were customers of the same kratom vendor, the products of which had been assessed for their alkaloid content by an independent laboratory. The survey respondents reported distinct subjective experiences for different kratom strains, in a manner congruent with common marketing descriptions. However, the product analyses revealed no significant cross-strain differences in alkaloid content, suggesting that the reported effect differences might be disproportionally influenced by marketing narratives and anecdotal reports. Future studies should engage a more diverse population and include kratom strains from various vendors. Controlled, blinded experiments could assess whether the reported effect differences stem from a placebo effect or from alternative factors, e.g. minor alkaloids and terpenes.
Medicine and Pharmacology, Complementary and Alternative Medicine
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