Effect of Probiotic Intake in Healthy Population

The main objective of this project is to evaluate the absence of adverse gastrointestinal effects following the consumption of a daily probiotic capsule during 15 days. The secondary objective of this study is to verify the absence of any adverse effects other than gastrointestinal ones following the daily consumption of a probiotic during 15 days in a healthy population. Specific objectives are: * To evaluate changes in gastrointestinal health through self-reported questionnaire. * To determine the adherence to probiotic consumption. * To analyse headache, tiredness/fatigue, muscle or joint pain, fever or low-grade fever, chills, allergic reactions, difficulty sleeping, dizziness and general discomfort by General Adverse Effects Questionnaire. Target sample size is 20 subjects. Participants will be allocated in one group (experimental group). Participants will visit nutritional intervention unit at Clinical Investigation Day 1 (day 1) and at Clinical Investigation Day 2 (day 15).