Probiotical S.p.A. sell "Bififos®"

Bififos® pairs the probiotic B. longum W11 with the prebiotic fiber FOS, supported by 8 clinical studies mainly in Irritable Bowel Syndrome with constipation, chronic constipation, and diverticular disease, plus 8 further publications on the strain's properties, including its natural resistance to rifaximin and strong exopolysaccharide synthesis. W11 is also a potent activator of IFN-gamma, suggesting a supportive role for immune defense, particularly against viral infections.