Oligofructose

Studies in people

• Benefit

  Hunger and weight in obese adults³

  In obese people, eating oligofructose from Jerusalem artichoke concentrate with a low-calorie diet made them feel less hungry.

• Benefit

  Blood clotting risk⁴

  In adults with overweight, oligofructose lowered a blood marker linked to clotting more than placebo did.

• Benefit

  Gut bacteria in children⁵

  In children with celiac disease, oligofructose-enriched inulin raised helpful gut bacteria and changed bacterial products in stool.

• Benefit

  Gut bacteria and digestion⁶

  Oligofructose is a fiber from chicory root that feeds good gut bacteria and adds bulk to stool.

• Benefit

  Bowel habits⁷

  Oligofructose resists digestion and feeds gut bacteria, which softens stools and makes you go more often.

• Open question

  Cholesterol and blood fats⁸

  Studies in people disagree on whether oligofructose lowers cholesterol and blood fats, and diet may explain the difference.

• Benefit

  Baby gut bacteria⁹

  Babies fed formula with oligofructose grew more gut bifidobacteria and had softer stools, with no change in how often they pooped.

• No harm found

  Calcium absorption in teen girls¹⁰

  Oligofructose in fortified cereal did not change how much calcium teen girls absorbed or kept.

• Benefit

  Vitamin D in celiac children¹¹

  In children with celiac disease, oligofructose-enriched inulin raised vitamin D levels over three months.

• Benefit

  Bowel movement frequency¹²

  In people with few bowel movements, oligofructose increased how often they went, without stomach upset.

• Concern

  Appetite after exercise¹⁴

  In people, oligofructose added to a drink after exercise slightly lowered hunger and caused more gas.

• Benefit

  Bone loss after menopause¹⁵

  In women past menopause, oligofructose with calcium slowed bone loss in some with already thin bones.

Animal and lab studies only

• Benefit

  Bone strength²¹

  Oligofructose helped animals absorb more calcium, which built up in their bones.

• Open question

  Gut inflammation in colitis²²

  In animal studies, oligofructose did not improve colitis in rats, though other studies found benefit.

• Open question

  Gut fermentation²³

  In lab studies, oligofructose added to meat changed gut fermentation, raising hydrogen sulfide and lowering ammonia and indole.

• Benefit

  Gut inflammation in mice²⁴

  In animal studies, oligofructose eased gut inflammation and changed how gut germs make substances that help the gut lining.

• Open question

  Gut immune system²⁵

  In animal studies, oligofructose mainly activated immune cells in Peyer's patches, but human effects remain unclear.

• Benefit

  Breast tumor growth²⁶

  In animal studies, oligofructose in the diet was linked to fewer breast tumors and slower tumor growth.

• Benefit

  Memory and body clock²⁷

  In animal studies, oligofructose improved memory and restored daily rhythms in obese mice fed a high-fat diet.

• Benefit

  Bone strength in rats²⁸

  In rat studies, oligofructose helped build stronger bones and protected against bone loss after ovary removal.

Study type not stated

• Benefit

  Gut health and cholesterol¹⁶

  Fructo-oligosaccharides may help the gut absorb ions and lower lipids and cholesterol.

• Benefit

  Gut bacteria and blood sugar¹⁷

  Oligofructose feeds gut bifidobacteria and does not raise blood sugar or trigger insulin.

• Open question

  Gut bacteria and colon health¹⁸

  Oligofructose feeds gut bacteria, and more human studies are needed on its long-term effects.

• Benefit

  Gut bacteria balance¹⁹

  Inulin and oligofructose feed good gut bacteria like bifidobacteria, which may help fight off infections.

• Benefit

  Gut and bone health²⁰

  In rats and people, oligofructose may feed good gut bacteria and help the body absorb calcium.

How it’s made and used

• Gut health in celiac children¹³

  In children with celiac disease, a gluten-free diet plus oligofructose-enriched inulin for 12 weeks modestly changed urine compounds.

The signal at the top counts the findings in people and in animal and lab studies. A concern in studies of people outranks animal and lab studies, and “No concerns” needs at least one finding in people. When most findings in people point one way, the page leans that way (“Mostly”), and every finding is still shown. Findings whose study type is not stated are shown but not counted. This page is a reference, not medical advice. It describes what regulators and published research say. Talk to a doctor or dietitian about your own diet.