The present disclosure is directed to compositions comprising Lactobacillus plantarum CECT 7484, Lactobacillus plantarum CECT 7485, and Pediococcus acidilactici CECT 7483 or a mutant or variant thereof. This composition is useful in the treatment of gastrointestinal diseases or conditions such as Inflammatory Bowel Disease, Irritable Bowel Syndrome, or abdominal distension and bloating.L'invention concerne une composition comprenant une quantité efficace de Lactobacillus plantarum CECT 7484, Lactobacillus plantarum CECT 7485, et Pediococcus acidilactici CECT 7483. Cette composition est utilisée dans le traitement de maladies gastro-intestinales ou d'états tels que maladie intestinale inflammatoire, syndrome du côlon irritable ou distension abdominale et ballonnement.