Inclusion Criteria:  having had at least 3 symptomatic episodes of cystitis (including 1 urinary tract infection confirmed by a doctor) during the last 12 months whose episode had a significant impact on quality of life / urinary discomfort (ACSS Dimension QoL ≥ 2) had a smartphone compatible with Nurstrial smartphone application (e-CRF)  Exclusion Criteria:  to be a pregnant or breastfeeding woman or planning to be pregnant within 6 months, currently taking any other supplementation for urinary comfort or having taken any other cranberry-based food supplement in the past 3 months, to be under antibiotic treatment or during the last 7 days preceding inclusion, have urinary discomfort with a severe impact on quality of life (ACSS QoL> 7) during the last 24 hours prior to inclusion, have an allergy known to plants of the cranberry family or to one of the components of the products.