Modulation of the Brain Fog Scale by Eicosapentaenoic Acid Monoglycerides (MAG-EPA).

Inclusion Criteria: 1. Participant between 19 and 55 years of age. 2. Participant who reports having mental fatigue and/or frequent memory loss and/or difficulty concentrating and/or inattention, confusion and/or a feeling of decreased cognitive acuity for at least 28 days at the time of selection. 3. Participant who obtains a mean score on the BFS screening questionnaires (BFS1 and BFS2) total of at least 30 and/OR who obtains the following minimum score on at least one of the three factors: Factor 1 of at least 15 and/or Factor 2 of at least 15 and/or Factor 3 of at least 12. 4. 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. 5. Absence of intellectual problems likely to limit the validity of consent to participate in the study or the compliance with protocol requirements, ability to cooperate adequately, ability to understand and observe the instructions of the research staff. 6. Participant having no difficulty in swallowing tablets, capsules or gelcaps. Exclusion Criteria: 1. Known allergy or intolerance to fish or history of allergic reactions attributable to fish, or to a compound similar to fish oil. 2. Participant who has used omega-3 supplements in the 30 days preceding day 1 of the study. 3. Pregnant or breastfeeding woman as declared by the latter. 4. Presence of dependence on drugs of abuse or alcohol (˃ 3 units of alcohol per day, acute or chronic excessive consumption). 5. Participant included in another clinical study and who is receiving an investigational product or other research treatment.