Thank you for your interest in the NECTAR Study!


To investigate the relationship between yogurt consumption and digestive health. We are looking for healthy adults between the ages of 22-64 years.

Study Description:

The study will consist of two 2-week periods where participants will consume a yogurt snack two times per day, separated by at least 4 weeks. Participants will be asked to visit the lab for 5 sessions and complete questionnaires, computer tasks, a body composition scan, and liver ultrasound. In addition, 4 stool samples will be collected.  For your participation, you will receive $50 after the first intervention period and testing and an additional $250 after completion of the study.

Exclusion Criteria:

Eligible participants meet the following criteria:

  1. 22-64 years of age
  2. Body mass index between 18.5-29.9 kg/m2 (
  3. Have 3-6 bowel movements per week
  4. Not allergic or intolerant to honey, dairy, lactose or food dye
  5. No physician diagnosed gastrointestinal disease (chronic constipation, diarrhea, Crohn’s disease, celiac disease, ulcerative colitis, irritable bowel syndrome, diverticulosis, stomach or duodenal ulcers, hepatitis, or GERD)
  6. Not currently taking laxatives, anti-diarrhea medications, narcotics, antispasmodics, anticonvulsants, or prescription GERD medications or antibiotics within the past 3 months
  7. Not pregnant, lactating, or post-menopausal
  8. No tobacco use
  9. No history of gastric bypass or sleeve gastrectomy surgery or adjustable gastric band surgery within the past 5 years
  10. Not concurrently enrolled in another dietary, exercise, or medication study
Contact Information:


NCT number: NCT04187950