We are looking for adults who use hemp oil (CBD) products to participate in a brief study. Participation requires one 45 minute in-person visit to Boulder, Denver, or Colorado Springs to answer some questions and provide a biological sample. Following participation, you will receive $25 compensation.
- 18 years of age or older
- Consistently using a hemp oil (CBD) product
- Travel to Colorado Springs, Denver, or Boulder for one 45 minute visit
Thank you for helping us to advance cannabinoid science!
Upcoming Test Dates
Any day during normal office hours