Efficacy of Telenutrition for the Treatment of Overweight Patients With Obesity and/or High Cardiometabolic Risk

Inclusion Criteria: * Men or women 18 to 75 years * Obesity defined by a body mass index \> 30 kg / m2 or a BMI\> 25 kg / m2 with the presence of at least one major cardiometabolic risk factors among the followings: dyslipidemia, hypertension, diabetes, prediabetes * Stable weight in the last six months (weight variation \< 4 kg peak-to-peak) * Access and current use of internet, possession of an email address and a smartphone. * Understanding and reading French * Patient not currently following a nutritional monitoring and not having planned to be engaged in a nutritional monitoring during the coming year Exclusion Criteria: * Excessive alcohol consumption \> 30 g / day -Pregnant or breastfeeding woman * symptomatic cardiovascular disease : angina, lower extremity arterial occlusive disease, stroke or myocardial infarction dating of less than 6 months. * Uncontrolled psychiatric illness * Patients receiving or about to receive during the study period a systemic or local treatment susceptible to interfere with the evaluation of the primary criteria (corticosteroids, antipsychotics, tricyclic antidepressants) except if these treatments have been stable for at least 6 months without a plan to modify the dose during the 12 months of the study * Adhering to a prescribed diet for weight loss, in the past 3 months * Person with a severe eating disorder: bulimia, binge eating disorder according to DSM-V criteria - Presence of celiac disease, Crohn's disease or other metabolic disorder or condition affecting nutritional needs such as allergies or food intolerances (except partial lactose intolerance) * Anticipated difficulties in following the patient * Lack of social coverage in France * Lack of written or electronic informed consent