Inulin
Inulin is FDA-recognized as a dietary fiber (2018 final ruling). Generally well tolerated, but is a fermentable fiber that can cause significant gas, bloating, and abdominal discomfort at moderate-to-high doses or in IBS patients.
What it is
Naturally occurring fructan polysaccharide extracted primarily from chicory root; a soluble dietary fiber and prebiotic.
Dietary fiber, sugar/fat replacer, prebiotic; adds texture and creaminess in low-fat products.
Why it's flagged
- FODMAP — significant GI symptoms in IBS subpopulation
- gas and bloating at doses above ~10g/day
What regulators actually say
"FDA concluded the totality of the publicly available scientific evidence supports a beneficial physiological effect of inulin... and intends to propose a regulation to add it to the list of non-digestible carbohydrates that meet the definition of dietary fiber."
"Native chicory inulin contributes to maintenance of normal defecation by increasing stool frequency."
Regulatory status
United States — FDA
Recognized dietary fiber under FDA's dietary fiber definition.
European Union — EFSA
Authorized as food ingredient; EFSA approved health claim for chicory inulin and bowel function.
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