SynthesisThe Korean journal of internal medicine2020
The effect of psyllium supplementation on blood pressure: a systematic review and meta-analysis of randomized controlled trials.
Synthesis in The Korean journal of internal medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 4 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
11 citing papers in PubMed, 4 syntheses or guidelines pooled it, 27 citations in OpenAlex.
- The effect of psyllium consumption on anthropometric indices: a systematic review and dose-response meta-analysis of randomized controlled trials.Journal of health, population, and nutrition · 2025Pooled it
- The Role of Diet in the Prevention of Hypertension and Management of Blood Pressure: An Umbrella Review of Meta-Analyses of Interventional and Observational Studies.Advances in nutrition (Bethesda, Md.) · 2024Pooled it
- Associations between dietary fiber intake and cardiovascular risk factors: An umbrella review of meta-analyses of randomized controlled trials.Frontiers in nutrition · 2022Pooled it
- Bioactive Compounds and Their Effect on Blood Pressure-A Review.Nutrients · 2020Pooled it
- Effects of Probiotic and Dietary Fiber Supplementation on Metabolic Syndrome-Related Features, Mood, and Sleep in Adults with Obesity.Nutrients · 2026Trial
- From Husks and Seeds to Health: an Inevitable Outcome Rather than a Fluke.Current nutrition reports · 2026Review
- The impacts of ready-to-eat-cereals and cereal fibers on gut health, body weight, and cardiometabolic health.Frontiers in nutrition · 2026Review
- The Role of Intestinal Microbiota and Dietary Fibre in the Regulation of Blood Pressure Through the Interaction with Sodium: A Narrative Review.Microorganisms · 2025Review
- Patterns of dietary supplement use among United States patients with steatotic liver disease: Vitamins, minerals and botanicals.World journal of hepatology · 2025Article
- Review
- The effect of psyllium consumption on blood pressure: Systematic review and dose-response meta-analysis of randomized controlled trials.Food science & nutrition · 2024Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND/
aimsGlobal incidence of hypertension is estimated to be, in excess of, one billion people, and given the efficacy of soluble dietary fibers, in particular, Psyllium, to positively impact blood pressure in patients with hypertension, it is of clinical importance that consensus on its supplementation be established. Therefore, the aim of the study was systematically review and meta-analyze the effect of psyllium supplementation on blood pressure of hypertensive patients in randomized controlled trials.
methodsWe searched six universal databases including; Pubmed/Medline, Ovid, Cochrane Library, Google Scholar, Embase, and Scopus until November 2018. Both combined and stratified analyzes were conducted. A fixed-effects or random- effects model was used to assess the mean effect sizes.
resultsAn eventual 11 trials with 592 participants were considered as eligible for inclusion in the present meta-analysis. The meta-analysis revealed a significant reduction of 2.04 mmHg in systolic blood pressure (weighted mean difference, -2.04; 95% confidence interval, -2.82 to -1.63; p < 0.001). Whilst meta-regression highlighted that the hypotensive effect of psyllium was stronger in subjects with higher baseline blood pressure.
conclusionGiven the overarching benefits and lack of reported side effects, particularly for hypertensive patients, health care providers and clinicians should consider the use of psyllium supplementation for the treatment or abatement of hypertension, or hypertensive symptoms.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.