Numerous clinical studies conducted using the two probiotic strains L. acidophilus LMG S-29159 and L. rhamnosus SD5675, together with bovine lactoferrin RCXTM, have shown that this association of probiotics and prebiotic (Respecta® complex) is able to prevent vaginal infections of different origins (Table 4). This evidence concerns the gene LTF and infective vaginitis.