Study #3015: Effect of acute raspberry intake on metabolic control and cognitive function
Purpose This research study will compare participants consuming a high-fat meal supplemented with raspberry to a high-fat control meal to determine the effects of dietary raspberry intake on cognitive and psychomotor function in older/overweight adults. Specifically, we are looking for individuals who have a BMI between 27 and 35 kg/m2 but are otherwise healthy.
Target Population Men and women, 55 to 70 years of age
Major Exclusions • Smoking or use of nicotine replacement products within the last 2 years • BMI<27 or BMI>35 kg/m2 • Vegetarian or vegan • Raspberry allergy • Diabetes • Liver or kidney disease • Neurological disorders
Length of Study 1 month
Number of Visits 1 screening and 3 study visits
Can I work? Yes, but not on the mornings of the screening visit and study visit 1. However, on visits 2 and 3, you will not be able to work because you will be at the center up to 11 hours for measurements, blood samples and memory tests.
Study Diet Abstain from consuming berry fruits and foods/beverages containing berries but otherwise maintain your usual diet. For two test visits you will consume a high-fat breakfast with supplemented raspberry or a high-fat control breakfast.
Stipend $25 for screening visit, and up to $385 if you qualify and complete the study