A Study Evaluating an Aronia Berry Dietary Supplement on Cardiovascular and Gastrointestinal Health
The Functional Foods & Human Health Laboratory in the Department of Food Science and Human Nutrition at Colorado State University is currently seeking participants for a research study examining the dose-dependent effects of an aronia berry dietary supplement (also known as chokeberry) on cardiovascular and gastrointestinal health.
Who Can Participate?
- Men and postmenopausal women between the ages of 45-75 years
- Body mass index (BMI) between 18.5-30 kg/m2
Exclusion criteria apply and will be evaluated through a phone and in-person screening
Benefits
- Measures of your cardiovascular and gastrointestinal health
- Monetary compensation up to $300 for participation
Participants will be asked to consume three different treatments in random order: 1) 500 aronia berry dietary supplement, 2) 1000 mg aronia berry dietary supplement, or 3) placebo. Each treatment will be consumed daily for six weeks, and each treatment period will be separated by a six-week washout period. Participants will complete initial screening tests and qualified participants will undergo cardiovascular testing, assessments of gastrointestinal health, and provision of blood, stool, and urine samples. Involvement in the study will last ~ eight months and involvement will consist of six visits over this period (each lasting ~ two hours). Participants will receive financial compensation of up to $300 for their time. The study will take place on the CSU campus in the Department of Food Science and Human Nutrition.
Principal Investigator: Sarah A. Johnson, Ph.D., RDN; sarah.johnson@colostate.edu; (970) 491-3807