NOW Women's Probiotic supports vaginal health by maintaining a healthy vaginal pH, boosts immune function in women of all ages (including pregnant and nursing women), and promotes digestive health by reducing occasional gas and bloating. The formula contains specific probiotic strains, such as L. rhamnosus and L. acidophilus, which colonize the vaginal tract, and B. lactis and B. lactis HN019, which aid digestion and immune support