Inclusion Criteria:  Body Mass Index between 25 and 35 kg/m2 inclusive Waist circumference > 80 cm for women and > 96 cm for men Fibers intake ≤ 25g/day  Exclusion Criteria:  History of digestive surgery or diseases Current or recent (<12 weeks) intake of antibiotics or gastro-intestinal medicinal product Current probiotics, prebiotics, fibers complement, and/or any products modulating glucose and lipid metabolism Volunteer with a dietary restriction (vegetarian or high-protein diet for example) Current weight loss diet Pregnant or lactating woman or woman who do not use effective contraception Drinking more than 3 glasses of alcohol per day (>30g/day) Smoking volunteer