Effect of a Probiotic on Seasonal Allergic Rhinitis Symptoms

Inclusion Criteria: * Adults aged 18 to 65 years of age at the time of enrolment. * Established seasonal allergic rhinitis (clinical history of rhinorrhea, congestion, sneezing, pruritis \>2 years) * Positive Skin Prick Test (SPT)to Grass Pollen (GP). * Presence of specific IgE to Grass Pollen (GP) * Have a Body Mass Index in the range 19-32 kg/m2 * Have signed the consent form * Have been instructed during screening and agreed to not take any probiotic containing products outside the study for the study period Exclusion Criteria: * Subjects currently under treatment with antibiotics or undergoing allergen immunotherapy at the time of enrolment * Pregnancy * Vasomotor rhinitis, nasal cavity disorders (nasal polyps), ear infections otitis media). * Other chronic diseases (e.g. gastrointestinal, cardiovascular, infections) * Subjects diagnosed with asthma * Subjects currently participating in another interventional clinical trial or having participated in another clinical trial in the last 2 months * Subjects on chronic use of systemic corticosteroids prior to randomization