Natural Factors Super Strength Cal'dophilus with FOS is a powerful probiotic. This synergistic combination supports intestinal tract health and contains FOS, an excellent growth factor for beneficial micro-flora.* These cultures are freeze-dried to ensure long-term stability and maximum potency.

To maintain healthful intestinal flora, 1 capsule, 1-3 times per day, 15 minutes before meals or 1 hour after. When taking antibiotics, take probiotic 2 hours before of 2 hours after antibiotic.