Week 6 and 12 In-Person Visits The investigators are planning two in-person CRC visits over the course of the study. Study procedures associated with these visits will include smoking habits interview, Fagerström Tolerance Questionnaire, the Minnesota Withdrawal Symptom Checklist, Beck Depression Inventory, expired CO level, blood markers of intervention compliance, and plasma cotinine levels. The investigators will conduct pill counts and interview subjects for any signs of adverse events.