The metabolic syndrome is rising worldwide as a consequence of the continued obesity epidemic. The current obesogenic environment makes the regulation of energy intake difficult and impedes the maintenance of weight loss. Dietary patterns and/or ingredients that curb hunger and reduce energy intake are critically needed. We hypothesize that inclusion of protein and prebiotic fiber in the diet will reduce adiposity in overweight and obesity adults.
The main objective of our study is to assess the effects of protein and prebiotic fiber intake on changes in adiposity in an overweight and obese adult population. Primary objective - To determine the effect of 12 week protein (10 g/day) or prebiotic fiber (16 g/day) intake on changes in body composition, chiefly body fat. Secondary objective - To measure changes in appetite following 12 weeks of protein (10 g/day) or prebiotic fiber (16 g/day) intake. Other outcomes includes changes in quality of life ratings and gut microbiota.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
132
A food containing 5 grams/serving of supplemental protein.
A food containing 8 grams/serving of supplemental prebiotic fiber.
A food containing supplemental protein (5 grams/serving) and prebiotic fiber (8 grams/serving).
University of Calgary
Calgary, Alberta, Canada
Change in baseline fat mass at 12 weeks
Assessed with dual energy x-ray absorptiometry.
Time frame: 12 weeks
Change in baseline appetite at 12 weeks
Subjective appetite assessed with visual analog scales and objective appetite with a weighed lunch buffet.
Time frame: 12 weeks
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An isocaloric food not containing the test protein and fiber.