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

Inclusion Criteria:

people who:

• are willing and capable of joining the study

• are willing of not varying their routine (lifestyle, physical activity..) during thestudy

• are willing of not varying their diet during the study

• are willing of using only the testing product during the study

• are willing of not using products that may interfere with the testing product

• have not recently joined similar studies

• have signed informed consent

Exclusion Criteria:

subjects:

• not filling the inclusion criteria

• with suspected or confirmed sensibility to one or more product component

• with chronic diseases (cardiovascular congenital diseases, hepatic diseases, renaldisease, immunodeficiency)

• undergoing antibiotic/pharmacological treatment

• with other concomitant disease (infective, respiratory, gastrointestinal, immune)

• who underwent an immunomodulating treatment in the past 4 weeks

• who underwent an immunosuppressant therapy in the past 3 months

• with severe disease ongoing

• who abuse of alcohol and/or drugs

• who are considered not eligible by the investigator

• not able to communicate due to language barriers, mental issues or cerebralfunctioning impairment