This ratio of CBD/THC has been suggested to be helpful when differentiating between marijuana use from consumption of commercial CBD Products?
10:1 CBD/THC. Goggin MM et al. developed an LC–MS/MS method for the quantitation of CBD, 7-COOH-CBD, THC, and 11-COOH-THC in urine was developed to evaluate concentrations of each metabolite in the urine of donors utilizing CBD products. Including several limitations, the authors suggest that a ratio of 10:1 is helpful in differentiating marijuana use from cannabadiol use.
Goggin MM et al. Using measured cannabidiol and tetrahydrocannabinol metabolites in urine to differentiate marijuana use from consumption of commercial cannabidiol products. Clin Tox 2020. https://doi.org/10.1080/15563650.2020.1827148