Small intestinal bacterial overgrowth (SIBO) is a pesky issue which means that there’s abnormal numbers of normal bacteria in the gastrointestinal tract. SIBO may cause intestinal symptoms ranging from diarrhoea and weight loss to anaemia and malabsorption. It’s believed to cause/aggravate symptoms of irritable bowel syndrome (IBS) [1] and some, like Chris Kresser, say it’s closely […]