Age

18–65

Sex

ALL

Healthy volunteers

Accepted

Allergy to poppy seeds, or any of the related food stuffs used in the study
Celiac disease or gluten sensitivity
Ongoing or opioid use in the past 6 months
History of renal or hepatic disease or dysfunction
Inability or unwillingness to give repeated urine specimens
Unwillingness to refrain from eating poppy seed-containing products during the two-day course of the study
Non-English speakers (due to study materials being in English)
BMI greater than 30
Antibiotic use in the previous 2 months
Recent ingestion of poppy seeds from the previous 7 days

Thebaine Urine Testing