This study will investigate the effects of high-protein, high-fat snacks, specifically Greek yogurt, and peanuts, on satiety, gut hormones, and insulin secretion in overweight and obese women. The hypothesis posited that peanuts will exhibit a more beneficial impact on satiety, gut hormones, and insulin levels compared to Greek yogurt. The two-arm parallel randomized trial will involve 52 participants aged 30 to 40 with a BMI between 25-35 kg/m²,and they will be randomly divided into peanut (n=26) and Greek yogurt (n=26) groups. Pre-snack, BMI and dietary intake will be assessed. Appetite sensations will be gauged using a visual analog scale (VAS) upon arrival, and at 30- and 60-minutes post-snack. Pre- and post-snacking, plasma levels of cholecystokinin (CCK), Peptide Tyrosine-Tyrosine (PYY), Glucagon Like Peptide-1 (GLP-1), Ghrelin (GHRL), and insulin will be analyzed.
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Appetite hormones
Timeframe: one week
Appetite sensations
Timeframe: 8 weeks