Got IBS? Why It Might Really Be Small Intestinal Bacterial Overgrowth (SIBO)

Maria Cross
6 min readAug 8, 2023

What happens when bacteria colonise your small intestine, where they don’t belong

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At about 20 feet (7 metres) long, the small intestine is really not that small at all. Or insignificant: it is the industrial hub of food digestion and absorption. With so much metabolic activity going on, the potential for mayhem is immense.

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Maria Cross

MSc. Registered nutritionist, specialising in gut and mental health. OUT NOW! My new book, How to Feed Your Brain. mariacrossnutrition @mariacross