Evidence map›Paper›PMID 39385778›Full record

SynthesisFrontiers in nutrition2024

Effects of β-hydroxy-β-methylbutyrate (HMB) supplementation on lipid profile in adults: a GRADE-assessed systematic review and meta-analysis of randomized controlled trials.

Behrad Sadeghi, Hossein Bahari, Hannane Jozi, Mohammad-Ali Hasanzadeh, Dorna Hashemi, Mohammad Vesal Bideshki

Abstract readSystematic Review
In one paragraph

Synthesis in Frontiers in nutrition, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed, 2 pooled it
–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

4 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Frontiers in nutrition · 2025
    Pooled it
  3. Article
  4. Article
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

6 authors.

Behrad SadeghiDepartment of Agricultural, Forest and Food Science (DISAFA), University of Torino, Grugliasco, Torino, Italy.
Hossein BahariTransplant Research Center, Clinical Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
Hannane JoziStudent Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.
Mohammad-Ali HasanzadehDepartment of Immunology, School of Medicine, Jiroft University of Medical Sciences, Jiroft, Iran.
Dorna HashemiDepartment of Food Science and Technology, Sarvestan Branch, Islamic Azad University, Sarvestan, Iran.
Mohammad Vesal BideshkiStudent Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background and aim: The regulation of lipid metabolism is crucial for preventing cardiovascular diseases, which are among the leading causes of mortality worldwide. β-hydroxy-β-methylbutyrate (HMB) has garnered attention for its potential role in modulating lipid profiles. However, the magnitude of these effects are unclear due to the heterogeneity of the studies. This study aimed to provide a comprehensive overview of the randomized controlled trials (RCTs) that have examined the effects of HMB on lipid profiles in adults. Methods: Databases including PubMed, Web of Science, and Scopus, were searched for relevant studies through January 2024. The study protocol was also registered at Prospero (no. CRD42024528549). Based on a random-effects model, we calculated WMDs and 95% confidence intervals (CIs). The outcomes assessed included total cholesterol (TC), triglyceride (TG), low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C). Sensitivity, subgroup and meta-regression analyses were also conducted. Results: Our analysis included a total of 10 RCTs comprising 421 participants. The pooled data revealed no significant effect of HMB supplementation on TC (WMD: -2.26 mg/dL; 95%CI: -6.11 to 1.58; Conclusion: The current evidence from RCTs suggests that HMB supplementation does not significantly alter lipid profiles, including TC, TG, LDL-C, and HDL-C. Further research is warranted to confirm these results and explore the potential mechanisms of action of HMB. Systematic review registration: https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=528549, CRD42024528549.

Indexed as

cardiovascular healthdyslipidemiaHMBlipid profilemeta-analysisβ-hydroxy-β-methylbutyrate

Identifiers

PMID39385778
PMCPMC11462179

What OpenQuestion holds

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Registered trials

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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.