Symbiotic supplement based on friendly bacteria, fructooligosaccharides, and acai fruit powder. Advice: If deemed necessary, the supplementation regimen can be repeated until complete recovery is achieved. Properties: Express Ultra Pro provides 11 strains for maximum coverage and regeneration. It contains the Lactobacillus acidophilus DDS-1 strain, discovered by Dr. Khem Shahani of the University of Nebraska. L. acidophilus DDS-1 is notable for its ability to synthesize lactase, lactic acid, B vitamins, and bacteriocins, and is associated with other interesting metabolic activities, leading it to be considered a "superstrain" by many experts. To ensure maximum product quality, Nature's Plus employs the ViaShield™ encapsulation system, based on the most sophisticated cultivation and encapsulation techniques, rigorous control of temperature, humidity, light, and air quality throughout the manufacturing process, and microbiological testing to verify viability to ensure product efficacy. Directions for Use: 1 capsule daily, preferably at night before bedtime. Once opened, keep tightly closed in the refrigerator.