The present invention relates to compositions for use and formulation as weight management products and in particular fermented dairy foodstuffs. The compositions generally comprise two or more of the following components: a) a microbiome modifying component； b) a satiety modifying component； and c) a metabolic modifying 5 component and at least one of the following: d) Streptococcus thermophilus CBS 139100 and Lactobacillus delbrueckii subsp. bulgaricus CBS 139099 microbial strains or mutant strains or fragments or fractions thereof； e) a combination of Streptococcus thermophilus and Lactobacillus delbrueckii subsp. bulgaricus microbial strains which together, or individually, are capable of secreting polysaccharides having high levels of galactosamine 10 and no or low levels of rhamnose and glucuronic acid when grown on a dairy substrate； or f) polysaccharides formed of: i) 15-25% galactosamine； ii) 45-60% galactose； and iii) 20-30% glucose. The compositions may also be useful in the management or treatment of obesity, elevated cholesterol, diabetes, hypertension or heart disease.
