Original ResearchPublished 8 October 2026Soluble prebiotic fiber and glucono-δ-lactone blends integrate compatible effects to modulate microbiota composition and metabolism ex vivoDamien Truffin · Caroline Perreau · Liam Jenkins Sánchez · Jasmine Heyse · Aurélien Baudot · Lam Dai Vu · Emma De Beul · Pieter Van den AbbeeleFrontiers in Microbiologydoi 10.3389/fmicb.2026.1923298