Fructooligosaccharides (FOS) 用于 Irritable Bowel Syndrome (IBS)
DMixed results. Low doses may help (5 g) but higher doses can worsen bloating due to rapid fermentation.
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D
结论
Mixed results. Low doses may help (5 g) but higher doses can worsen bloating due to rapid fermentation.
Key Study Findings
Other
FODMAP Profile of Wholegrain Pasta.
Dose: None
vs: None
Outcome: FODMAP compound content in pasta (analytical)
效果: None
None
研究人群: Commercially available pasta products (analytical study)
Randomized Controlled Trial
n=9
12 weeks
Modification of the Low FODMAP Diet Is Feasible in the Treatment of Irritable Bowel Syndrome: …
Dose: None
vs: Baseline; crossover between 3 diets
Outcome: Birmingham IBS questionnaire symptom score
效果: 75% relief on low FOS+GOS; 62.5% on FODMAP
p<0.05
研究人群: IBS patients (Rome IV criteria)
Other
Biotechnological Tools for the Production of Low-FODMAP Wholegrain Wheat and Rye Cookies and Crackers.
Dose: None
vs: Standard wholegrain flour products
Outcome: FODMAP content reduction in cookies and crackers
效果: Up to 99.5% FODMAP reduction (wheat malt)
None
研究人群: Laboratory food science study (no human subjects)
Randomized Controlled Trial
12 weeks
Double-blind
Efficacy and Safety of a Mixture of Microencapsulated Sodium Butyrate, Probiotics, and Short Chain Fructooligosaccharides …
Dose: None
vs: Placebo
Outcome: Quality of life
效果: None
p = 0.023
研究人群: IBS patients
In Vitro
Microbial inulinase promotes fructan hydrolysis under simulated gastric conditions.
Dose: None
vs: None
Outcome: None
效果: None
None
研究人群: None
Controlled Clinical Trial
n=54
3.0 weeks
[Clinical efficacy of a modern probiotic for the correction of intestinal microflora in patients with …
Dose: 350 mg
vs: None
Outcome: IBS symptom improvement
效果: None
None
研究人群: Irritable bowel syndrome with diarrhea and antibiotic-associated diarr
Key Statistics
2
研究数量
150
受试者
↔
Mixed
D
等级
Referenced Papers
Foods (Basel, Switzerland)
2025
3 次引用
Foods (Basel, Switzerland)
2025
1 次引用
Gastroenterology research and …
2025
Journal of clinical …
2024
4 次引用
Frontiers in nutrition
2023
8 次引用
Voprosy pitaniia
2023
Carbohydrate polymers
2022
77 次引用
FASEB journal : …
2022
16 次引用
Journal of clinical …
2022
12 次引用
Nutrients
2022
8 次引用
Expert review of …
2022
8 次引用
Food chemistry: X
2021
64 次引用
Foods (Basel, Switzerland)
2021
10 次引用
Nutrients
2020
78 次引用
Journal of agricultural …
2018
13 次引用
Neurogastroenterology and motility
2017
131 次引用
Nutrition journal
2017
10 次引用
Voprosy pitaniia
2013
The American journal …
2000
136 次引用
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
常用剂量
- general:
- 2-10 g/day
- prebioticeffect:
- 5-8 g/day for bifidogenic effect
- constipationsupport:
- 5-10 g/day
上限： Well-tolerated up to 20 g/day; start low to avoid excess gas
研究中使用的剂量
| 剂量 | 持续时间 | 效果 | N |
|---|---|---|---|
| None | -- | Neutral | -- |
| None | 12 weeks | Positive | 9 |
| None | -- | Positive | -- |
| None | 12 weeks | Positive | -- |
| None | -- | Mixed | -- |
| 350 mg | 3.0 weeks | Positive | 54 |
| None | -- | Mixed | -- |
| None | -- | Negative | -- |
最佳服用时间： With meals; divide doses throughout the day
Safety & Side Effects
已报告的副作用
- ⚠ Gas, bloating, and flatulence (dose-dependent; more common above 10 g/day)
- ⚠ Abdominal cramping at higher doses
- ⚠ May worsen IBS symptoms in FODMAP-sensitive individuals
- ⚠ Loose stools at excessive doses
已知相互作用
- ● Other FODMAPs (cumulative fermentation effect in sensitive individuals)
- ● Blood sugar-lowering medications (FOS may modestly affect glycemic response)
- ● Calcium supplements (FOS may enhance calcium absorption)
可耐受最高摄入量： Well-tolerated up to 20 g/day; start low to avoid excess gas
在开始服用任何补充剂之前，请务必咨询您的医疗保健提供者。
Frequently Asked Questions
Does Fructooligosaccharides (FOS) help with Irritable Bowel Syndrome (IBS)?
Based on 2 studies with 150 participants, there is preliminary evidence that needs more research that Fructooligosaccharides (FOS) may support Irritable Bowel Syndrome (IBS) management. Our evidence grade is D (Very Early Research).
How much Fructooligosaccharides (FOS) should I take for Irritable Bowel Syndrome (IBS)?
Studies have used various dosages. A commonly studied range is 2-10 g/day. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Fructooligosaccharides (FOS)?
Reported side effects may include Gas, bloating, and flatulence (dose-dependent; more common above 10 g/day), Abdominal cramping at higher doses, May worsen IBS symptoms in FODMAP-sensitive individuals, Loose stools at excessive doses. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Fructooligosaccharides (FOS) and Irritable Bowel Syndrome (IBS)?
We rate the evidence as Grade D (Very Early Research). This rating is based on 2 peer-reviewed studies with 150 total participants. The overall direction of effect is mixed.
Related Evidence
其他成分用于 Irritable Bowel Syndrome (IBS)
Fructooligosaccharides (FOS) 用于其他健康状况
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