Each capsule delivers a dose of over 21 billion probiotics, from 7 strains specifically selected for their compatibility and synergistic action. Promoting a healthy balance of good bacteria in your gut can have profound health benefits to your immunity and digestion.  Fatty foods, city living, hot humid conditions, antibiotics and painkillers can all compromise your gut microbiome. Taking a potent probiotic such as this one can replenish and re-balance your levels of good bacteria.