Abstract: The object of the invention are compositions and medical treatment methods with an inheritable, Gram-negative, strictly anaerobic and commensal bacterium of the family Christensenellaceae belonging to an OTU (Operational Taxonomic Unit) characterized by a 16S rRNA sequence SEQ ID NO: 1 or to an OTU characterized by a16S rRNA sequence SEQ ID NO: 2.

Abstract: The object of the invention are compositions and medical treatment methods with an inheritable, Gram-negative, strictly anaerobic and commensal bacterium of the family Christensenellaceae belonging to an OTU (Operational Taxonomic Unit) characterized by a 16S rRNA sequence SEQ ID NO: 1 or to an OTU characterized by a 16S rRNA sequence SEQ ID NO: 2.

Abstract: A dietary product for preventing cardiometabolic risk in humans, in particular for reducing visceral fat and deep subcutaneous fat, includes in particular a mixture of: a whey hydrolysate having a molecular weight of between 200 and 10,000 daltons, an isolate and/or concentrate of whey, and calcium caseinate.

Abstract: The invention relates to the use as a drug or medical nutritional product in humans to treat a pathological dysbiosis and/or to prevent or treat at least one derived metabolic disease chosen from among excess weight with comorbidity, obesity, diabetes, heart and vascular diseases, atherosclerosis, degenerative bone disease, neurodegenerative disease, metabolism-related cancers, autoimmune diseases, steatosis, metabolic steatohepatitis, and chronic inflammatory diseases of the intestine, by increasing the Christensenella bacterial genus in the intestine, of a composition comprising a mixture of active ingredients consisting of at least: a whey hydrolysate with a molecular weight comprised between 200 and 10,000 Daltons, a whey isolate and/or a concentrate, and calcium caseinate.

Abstract: The invention relates to the use as a drug or medical nutritional product in humans to treat a pathological dysbiosis and/or to prevent or treat at least one derived metabolic disease chosen from among excess weight with comorbidity, obesity, diabetes, heart and vascular diseases, atherosclerosis, degenerative bone disease, neurodegenerative disease, metabolism-related cancers, autoimmune diseases, steatosis, metabolic steatohepatitis, and chronic inflammatory diseases of the intestine, by increasing the Christensenella bacterial genus in the intestine, of a composition comprising a mixture of active ingredients consisting of at least: a whey hydrolysate with a molecular weight comprised between 200 and 10,000 Daltons, a whey isolate and/or a concentrate, and calcium caseinate.

Abstract: An orally administered dietary product intended to reduce an obese person's visceral fat during the pre-operative phase prior to bariatric surgery, the product includes in particular a mixture of: a whey hydrolysate having a molecular weight of between 200 and 10,000 daltons, an isolate and/or a concentrate of whey, and calcium caseinate.

Abstract: An orally administered dietary product intended to reduce an obese person's visceral fat during the pre-operative phase prior to bariatric surgery, the product includes in particular a mixture of: a whey hydrolysate having a molecular weight of between 200 and 10,000 daltons, an isolate and/or a concentrate of whey, and calcium caseinate.