PROBIOTIC 225Maximum Strength Probiotics for Therapeutic GI Support Featuring Six Proven Strands of 225 Billion CFU Active Probiotic Organisms Six strain probiotic totaling 225 billion CFU Intensive High Concentration Probiotic Support Microorganisms protected, sealed and freeze dried away from moisture, heat, light and oxygen Healthy Bacteria that remains dormant until exposure to the GI tract Tested to prove adhering to the intestinal wall Resistant to low pH