Utah Admin. Code R66-52-7
(1) A sample and related batch of kratom product fail quality assurance testing for heavy metals if the results exceed the limits in Table 2.
TABLE 2Heavy MetalsMetalsNatural Health Products Acceptable LimitsArsenic<2 ppm
Cadmium<0.82 ppmLead<1.2 ppmMercury<0.4 ppm
KEY: kratom, kratom processor, testing
Date of Last Change: September 22, 2025
Authorizing, and Implemented or Interpreted Law: 4-45-107