Inclusion Criteria:  Participant aged 50 or over. Available for the entire duration of the study and willing to participate based on the information provided in the ICF duly read and signed by the latter. Participant not presenting any intellectual problems likely to limit the validity of the consent to participate in the study and the respect of protocol requirements, having the capacity to cooperate adequately, to understand and to follow the instructions of the doctor or his delegates. Participant who has no difficulty swallowing tablets or capsules.  Exclusion Criteria:  Known allergy or intolerance to fish or history of allergic reactions attributable to fish, or to a compound similar to fish oil. Pregnant or breastfeeding woman. Participant who used omega-3 supplements within 60 days of study day 1. Difficulty obtaining blood samples by capillary or venous puncture at the time of selection.