Nutraceuticals or Food Supplements? Knowledge, Attitudes, and Behaviors Among Adults in Southern Italy

Background/Objectives: Nutraceuticals are increasingly consumed globally, yet public knowledge, attitudes, and behaviors toward these products remain inadequately characterized, particularly in Italy. This study aimed to assess the knowledge, attitudes, and behaviors regarding nutraceuticals among adults residing in the metropolitan area of Naples, Southern Italy, and to identify the factors associated with nutraceutical use and digital information-seeking behavior.