Evaluating the Delivery and Effects of THC Vaping Liquids in the Bloodstream

Inclusion Criteria: * Age ≥ 21 years of age; (self-reported on screening, verified at study visit). * Report use of commercial THC vaping cartridges for at least 3 months prior to enrollment; (self-reported). * Experience with THC potency at or above the study product AND experience with chasing THC with nicotine (at least monthly); (self-reported). * Report use of THC vaping liquids at least weekly (4x/month); (self-reported). * Daily use of nicotine vaping products containing 5% nicotine for at least 3 months prior to enrollment; (self-reported). * Report of not currently trying to become pregnant (females). Women of childbearing potential must be willing to provide a urine sample and test negative prior to receiving any study-related products/procedures. * Willing to complete a THC saliva test to check for recent use (NarcoCheck Ref#: NCE-STHC-1), semi-quantitative urinary THCA rapid test (NarcoCheck® THC Pre Dosage), and an illicit drug urine test (NarcoCheck® Évolutive®) during baseline testing, prior to receiving any study-related products. * Negative THC saliva test (NarcoCheck Ref#: NCE-S-THC-1), detection level 1-3 on urinary THCA rapid test (NarcoCheck® THC PreDosage), and illicit drug screen negative for all drugs except THC (NarcoCheck® Évolutive®). * Willing to abstain from nicotine use for 8 hours prior to each study session and abstain from cannabis use 7 days prior to each session. * Participant must understand the investigational nature of this study and sig…