Constant cravings for toxic food According to the National Institutes of Health , there are a wide variety of gastrointestinal problems that can affect your health and overall well-being. They include such conditions as irritable bowel syndrome, ulcerative colitis and Crohn's disease. Probiotic supplements like BioFit may help support gut health by balancing the number of good bacteria in your digestive system. Why Do Probiotics Support Optimal Body Weight Management? Before taking any new formula, consumers want to know why something works the way that it does. It is no secret that probiotics are good for the body, but how do they connect with weight loss?