A Study of LY3871801 in Healthy Participants

Inclusion Criteria: * Participants who are overtly healthy as determined by medical evaluation including medical history and physical examination. * Have body weight ≥ 45 kilograms (kg) and body mass index (BMI) within the range 18.5 to 40.0 kilograms per meter squared (kg/m²) * Participants not of childbearing potential Exclusion Criteria: * Have known allergies to LY3871801, related compounds or any components of the formulation, or history of significant atopy. * Have an abnormal blood pressure and/or pulse rate, deemed to be clinically significant by the investigator * Have used or intend to use prescription or nonprescription medication (including dietary supplements, vitamins, herbal supplements, and/or alternative medicines) within 7 days prior to dosing * History of drug or alcohol abuse in the past 2 years and/or regularly use known drugs of abuse * Are unwilling to stop alcohol consumption 24 hours prior to admission and while resident at the clinical research unit (CRU). * Smoke more than 10 cigarettes per day (or the equivalent, including electronic cigarettes) or are unable to abide by the CRU smoking restrictions.