RecruitingPhase 4ProcedureTHRIVE Study: Understanding How Oral Nicotine Pouches Affect Public HealthAlthough nicotine pouches have been gaining popularity over the last few years, little known about how nicotine pouch users actually use these products. This study will be comprised of adults who use nicotine pouches. If eligible, participants will be asked to complete three study visits and participate in two switching periods where participants use study-provided nicotine pouches.