Recent research has proven that Optimal Flora (Probiotic) can help to alleviate and correct indigestion, constipation and diarrhea. The live cultures kill many types of harmful bacteria. Harmful bacteria cause yeast infections, digestive problems, fatigue, PMS, and can lead to many other health related problems. Optimal Flora is helpful in the treatment of candida, arthritis, mouth ulcers, acne, colitis, diverticulitis, traveler's diarrhea, albican, herpes simplex, and autoimmune diseases. A blend of friendly bacterial flora to properly control harmful bacteria in the intestinal tract. Instrumental in strengthening the immune system. An average person will take 90-120 days to build back their friendly flora (Probiotic).90 caps - 1 month supply Wondering if this is the right supplement for you? Take our Health Questionnaire and know for sure!