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Head-to-head evidence comparison — which supplement is right for you?
Inulin vs TUDCA: Inulin has the stronger overall evidence (6 vs 6/10); they're alternatives for improve digestion — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Inulin wins 1 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
7 of 8 studies with measurable effects showed benefit.
Top outcomes
Verdict
Mostly mechanism / observational
Top outcomes
5-15g daily
With meals or in beverages, Can be taken any time of day, Divide into multiple doses if taking higher amounts
Chicory root inulin powder
250-500mg daily for general support; up to 1500mg for therapeutic use (the cited trials used 750 to 2,000 mg a day, none used 250 to 500 mg)
With meals containing fat, Before or with fatty meals
TUDCA capsules (pure tauroursodeoxycholic acid)
2-4 weeks
1-2 weeks
2-4 weeks
First 1-2 weeks
4-8 weeks
1-2 weeks
8-12 weeks
The effects of inulin-type fructans on cardiovascular disease risk factors: systematic review and meta-analysis of randomized controlled trials
The American journal of clinical nutrition (2024) · Meta analysis · n=2518
Meta-analysis of 55 RCTs in 2,518 adults given inulin-type fructans for at least 2 weeks.
The effects of chicory inulin-type fructans supplementation on weight management outcomes: systematic review, meta-analysis, and meta-regression of randomized controlled trials
The American journal of clinical nutrition (2024) · Meta analysis · n=1184
Chicory ITF significantly reduced body weight [mean difference (MD): -0.97 kg; 95% CI: -1.34, -0.59); n = 1184] compared with placebo.
Galactomannans are the most effective soluble dietary fibers in type 2 diabetes: a systematic review and network meta-analysis
The American journal of clinical nutrition (2023) · Meta analysis · n=2685
Galactomannans had the highest effect on reducing the levels of HbA1c (SUCRA: 92.33%) and fasting blood glucose (SUCRA: 85.92%).
The bile acid TUDCA and neurodegenerative disorders: An overview
Life sciences (2021) · Review
The tauroursodeoxycholic acid (TUDCA), one of the acids found in bear bile, is a hydrophilic bile acid and naturally produced in the liver by conjugation of taurine to ursodeoxycholic acid (UDCA).
Nutraceutical, Dietary, and Lifestyle Options for Prevention and Treatment of Ventricular Hypertrophy and Heart Failure
International journal of molecular sciences (2021) · Review
The potential advantages of whole-food plant-based diets, moderation in salt intake, avoidance of phosphate additives, and regular exercise training and sauna sessions are also discussed.
Trial of Sodium Phenylbutyrate-Taurursodiol for Amyotrophic Lateral Sclerosis
The New England Journal of Medicine (2020) · Rct · n=137
A phase 2 trial of a combination drug: sodium phenylbutyrate 3 g plus taurursodiol (TUDCA) 1 g. 137 people with ALS were randomly assigned 2:1 to the combination (89) or placebo (48) for 24 weeks.
Inulin has a higher evidence score (6/10 vs 6/10) and wins in 1 of 3 categories.
Both Inulin and TUDCA score equally (85) for improve digestion.
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.