“Probiotic use can result in a significant accumulation of bacteria in the small intestine that can result in disorienting brain fogginess as well as rapid, significant belly bloating, investigators report.”
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Satish S. C. Rao, Abdul Rehman, Siegfried Yu, Nicole Martinez de Andino. Brain fogginess, gas and bloating: a link between SIBO, probiotics and metabolic acidosis. Clinical and Translational Gastroenterology, 2018; 9 (6) DOI: 10.1038/s41424-018-0030-7