Effect of a Multistrain Probiotic on Cold Symptoms in Healthy Patients With an History of Upper Airways Infection

The study is a double-blind randomized clinical trial which aims to evaluate the efficacy of a multi strain probiotic in human adults in controlling and improving cold symptoms and inflammatory response

Inclusion Criteria:people who:are willing and capable of joining the studyare willing of not varying their routine (lifestyle, physical activity..) during the studyare willing of not varying their diet during the studyare willing of using only the testing product during the studyare willing of not using products that may interfere with the testing producthave not recently joined similar studieshave signed informed consentExclusion Criteria:subjects:not filling the inclusion criteriawith suspected or confirmed sensibility to one or more product componentwith chronic diseases (cardiovascular congenital diseases, hepatic diseases, renal disease, immunodeficiency)undergoing antibiotic/pharmacological treatmentwith other concomitant disease (infective, respiratory, gastrointestinal, immune)who underwent an immunomodulating treatment in the past 4 weekswho underwent an immunosuppressant therapy in the past 3 monthswith severe disease ongoingwho abuse of alcohol and/or drugswho are considered not eligible by the investigatornot able to communicate due to language barriers, mental issues or cerebral functioning impairment