Dietary supplement with active, multiplying intestinal symbionts One obstacle to weight loss can be the gut flora. Certain bacteria are more common in the intestines of overweight people than in people of normal weight. The bacteria can cause the affected persons calorie balance to be much higher, and the excess weight will not decrease despite a seemingly low calorie intake. OmNi BiOTiC metabolic was specifically developed to combat obesity caused by an imbalance between Bacteroidetes and Firmicutes. It provides healthy microorganisms daily to suppress weight-gain-causing bacteria.