Evidence map›Paper›PMID 41739242›Full record

SynthesisEuropean journal of nutrition2026

Association between dietary fiber intake and bone mineral density: a systematic review and meta-analysis of observational studies.

Yuqi Pang, Zilan Chen, Ye Ju, Bin Yang, Jiaojiao Hou, Sirui Zheng, Zihao Li, Ting Liu, Hongxia Xia, Maoyao Xia and 4 more

Abstract readSystematic ReviewMeta-Analysis
PubMed Full text at PMC Publisher
In one paragraph

Synthesis in European journal of nutrition, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from 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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

14 authors.

Yuqi PangDepartment of Nutrition and Food Hygiene and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, Section 3, South Renmin Road, Wuhou District, Sichuan, 610041, Chengdu, China.
Zilan ChenDepartment of Nutrition and Food Hygiene and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, Section 3, South Renmin Road, Wuhou District, Sichuan, 610041, Chengdu, China.
Ye JuDepartment of Nutrition and Food Hygiene and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, Section 3, South Renmin Road, Wuhou District, Sichuan, 610041, Chengdu, China.
Bin YangDepartment of Nutrition and Food Hygiene and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, Section 3, South Renmin Road, Wuhou District, Sichuan, 610041, Chengdu, China.
Jiaojiao HouDepartment of Epidemiology and Biostatistics, Institute of Systems Epidemiology, West China School of Public Health, West China Fourth Hospital, Sichuan University, No.16, Section 3, South Renmin Road, Wuhou District, Sichuan, 610041, Chengdu, China.
Sirui ZhengDepartment of Nutrition and Food Hygiene and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, Section 3, South Renmin Road, Wuhou District, Sichuan, 610041, Chengdu, China.
Zihao LiDepartment of Nutrition and Food Hygiene and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, Section 3, South Renmin Road, Wuhou District, Sichuan, 610041, Chengdu, China.
Ting LiuDepartment of Nutrition and Food Hygiene and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, Section 3, South Renmin Road, Wuhou District, Sichuan, 610041, Chengdu, China.
Hongxia XiaDepartment of Epidemiology and Biostatistics, Institute of Systems Epidemiology, West China School of Public Health, West China Fourth Hospital, Sichuan University, No.16, Section 3, South Renmin Road, Wuhou District, Sichuan, 610041, Chengdu, China.
Maoyao XiaDepartment of Nutrition and Food Hygiene and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, Section 3, South Renmin Road, Wuhou District, Sichuan, 610041, Chengdu, China.
Yangdan ZhongDepartment of Nutrition and Food Hygiene and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, Section 3, South Renmin Road, Wuhou District, Sichuan, 610041, Chengdu, China.
Jiayuan LiDepartment of Epidemiology and Biostatistics, Institute of Systems Epidemiology, West China School of Public Health, West China Fourth Hospital, Sichuan University, No.16, Section 3, South Renmin Road, Wuhou District, Sichuan, 610041, Chengdu, China. lijiayuan@scu.edu.cn.
Zhong LiDepartment of Toxicosis/Nephrology, West China School of Public Health, West China Fourth Hospital, Sichuan University, No.16, Section 3, South Renmin Road, Wuhou District, Sichuan, 610041, Chengdu, China. 541141877@qq.com.
Xia JiangDepartment of Nutrition and Food Hygiene and West China-PUMC C. C. Chen Institute of Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, Section 3, South Renmin Road, Wuhou District, Sichuan, 610041, Chengdu, China. xia.jiang@ki.se.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAlthough prior studies have linked dietary fiber to bone mineral density (BMD), the currently available evidences remain inconsistent and there is a lack of synthesis. This systematic review and meta-analysis aimed to comprehensively examine the association between dietary fiber intake and BMD in adults.

methodsWe systematically searched the PubMed, Ovid, Web of Science, and ScienceDirect for studies evaluating the association between dietary fiber and BMD, from 2000 to January 2025. Two authors independently extracted data and assessed the risk of bias using the NOS and the AHRQ for observational cohort and cross-sectional Studies. Pooled [Formula: see text]-coefficients values and their corresponding 95%CIs were calculated using a random-effects model. Subgroup analyses were performed to explore potential sources of heterogeneity.

resultsAfter a systematic search, 6 articles were included involving 7 studies. Meta-analyses included 4 cross-sectional studies with 229,339 individuals, while 2 cohort studies involving 3174 individuals and 1 cross-sectional study involving 9871 individuals were reviewed qualitatively. Overall results indicated that individuals with higher dietary fiber intake exhibited significantly higher BMD levels ([Formula: see text] = 0.013, 95%CI = 0.011–0.015, [Formula: see text] < 0.01; [Formula: see text] = 0.00; [Formula: see text] = 0.00%; [Formula: see text] = 0.86). Leave-one-out sensitivity analyses confirmed the robustness of findings. Subgroup analyses revealed region as the source of heterogeneity. No evidence of publication bias was detected.

conclusionThis study indicates that higher dietary fiber consumption is significantly associated with higher BMD, particularly among males and populations outside Europe and America. Large-scale prospective cohort studies are needed to validate our findings.

Indexed as

Bone DensityDietDietary FiberAdultCross-Sectional StudiesFemaleHumansMaleMiddle AgedObservational Studies as TopicDietary FiberBone mineral densityDietDietary fiberMeta-analysis

Identifiers

PMID41739242
PMCPMC12935702

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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.