Gastrointestinal Tolerance Assessment of T2309

Inclusion Criteria: * Informed consent signed and dated * Volunteer with no history of gastrointestinal disorders * Volunteer agreeing not to consume a food supplement other than IP during the study period * Registered, or agreeing to be registered, in the National Registry of Healthy Volunteers Exclusion Criteria: * Any known or suspected hypersensitivity or allergy * History of or active severe chronic disease or relevant systemic condition incompatible with the study * Pregnancy or breast-feeding or have planned pregnancy in the next 4 months * Childbearing potential woman neither surgically sterilized nor using an adequate contraception * Inability of the subject to understand the study procedures or to give informed consent * Non-compliant subject * Participation in this study at the same time as another clinical investigation/study * Subject having received, during the last 12 months, indemnities for clinical trial higher or equal to 4500 Euros * Subject being institutionalized because of legal or regulatory order, inmate of psychiatric wards, prison or state institutions, or employee of the study site or of the Sponsor's company * Subject not covered by the government health care scheme of the country in which he/she is living * Subject with previous, current or anticipated prohibited treatment