Effect of Yoghurts Enriched With XXS (Mixture of Natural Polyphenolic Compounds and Plant Extracts) on the Evolution of Weight in Overweight Subjects

Inclusion Criteria: * Men or women aged between 50 and 65 years; * who have provided written consent; * and are covered by national health insurance; * with a stable weight for 6 months and no intention to begin a diet in the coming three months; * with a Body Mass Index (BMI) between 25 and 29.9 kg/m2 and a waist circumference \> 80 cm in women and \> 94cm in men (thresholds of the International Diabetes Federation, IDF); * who consume dairy products such as yoghurts; * and do not have more than two of the following risk factors of metabolic syndrome: known history of hypertension (\>130/85mmHg), hypocholesterolemia High Density Lipoprotein HDL (\< 0.4 g/L men and 0.5 g/L women), hypertriglyceridemia (\>1.5 g/L), diabetes (\> 1.1 g/L); * presenting C Reactive Protein (CRP) \< 6mg/L. Exclusion Criteria: * adults under guardianship * persons following a prescribed of self-prescribed diet; * whose behaviour may interfere with the consumption of the active dairy product (more than 4h of physical activity a week, smoking more than 10 cigarettes a day, more than 2 glasses of alcohol a day, Consuming more than one bar of dark chocolate a day, 10 cups of coffee/day, 5 large cups of tea/day, supplementation with vitamins (A, C, E…), oligoelements or minerals (Se, Zn, Ca…), enriched dairy products or any supplements containing Dietary Foods for Specialized Medical Purposes (ADFMS) .