Participants in the survey will come from a panel of volunteers. They will be contacted via an email proposing the survey accompanied by a selection questionnaire. Eligible volunteers will be called by the clinical investigation center to confirm their participation.~Volunteers will fill out an initial questionnaire which will describe their current situation (sex, age, family and professional situation, cigarette consumption), their pathologies and current treatments, their medical history (disorders related to sleep, stress, anxiety, burnout, depression or other mental disorders).~Finally, they will complete three questionnaires on the day of their stressful event which will describe their state of stress just before taking the product, 20 minutes after taking the product; their tolerance and satisfaction with the product will be described at the end of the day.
Volunteers will fill out an initial questionnaire which will describe their current situation, their pathologies and current treatments, their medical history.~Finally, they will complete three questionnaires on the day of their stressful event which will describe their state of stress just before taking the product, 20 minutes after taking the product; their tolerance and satisfaction with the product will be described at the end of the day.