# HMB Muscle Older Adults Meta-analysis: What the Evidence Says
Canonical: https://www.migaku.app/guides/hmb-muscle-older-adults-meta-analysis-evidence-review
Category: evidence-review
Summary: HMB Muscle Older Adults Meta-analysis has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are s
Last reviewed: 2026-05-21
Reviewed by: Migaku Evidence Review
# HMB Muscle Older Adults Meta-analysis: What the Evidence Says

## Quick Answer

HMB Muscle Older Adults Meta-analysis has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are systematic review, so conclusions should be framed as evidence-aware guidance rather than medical advice.

## Key Takeaways

- This page is generated only from sources stored in the Migaku evidence knowledge base.
- Current evidence mix: 2 systematic review.
- Claims should be interpreted with the source type, study design, population, and publication date in mind.
- This article is educational and does not replace care from a qualified clinician.

## Evidence Map

| Source | Evidence type | Level | Date | Identifier |
| --- | --- | ---: | --- | --- |
| Combined resistance training and amino acid-based supplementation for sarcopenia in older adults: a systematic review and meta-analysis | systematic review | 1 | 2026-01-15 | 10.1186/s12891-025-09436-8 |
| The Role of HMB Supplementation in Enhancing the Effects of Resistance Training in Older Adults: A Systematic Review and Meta-Analysis on Muscle Quality, Body Composition, and Physical Function | systematic review | 1 | 2025-11-20 | 10.3390/nu17223624 |

## What The Sources Report

- It has been confirmed to be closely associated with adverse health outcomes such as functional impairment, mobility limitations, increased risk of falls and fractures, higher risk of hospitalization, and increased mortality. [Xie Chengfu (2026); evidence level 1]
- Current research indicates that, although age, sex, and genetics are unmodifiable factors influencing the occurrence of sarcopenia, physical activity and nutritional status, as modifiable risk factors, play a central role in its prevention and reversal. [Xie Chengfu (2026); evidence level 1]
- Moreover, excess adiposity and elevated body mass index (BMI) have been consistently associated with poorer functional performance, including lower SPPB scores and reduced gait speed. [García-Alonso Alberto (2025); evidence level 1]
- With advancing age, muscle quality (MQ) declines due to impaired protein synthesis, slower contraction velocity, altered neuromuscular activation, and increased fibrosis and intramuscular fat infiltration. [García-Alonso Alberto (2025); evidence level 1]

## How To Read This Evidence

Evidence level 1 generally reflects systematic reviews or meta-analyses. Level 2 includes randomized trials, guidelines, or public-health guidance. Level 3 usually reflects observational or narrative-review evidence. Level 4 is weaker or early-stage evidence. The level is a sorting aid, not a final quality grade.

## Practical Interpretation

There is at least one systematic-review style source in the current set, so it deserves more weight than single-study evidence. For HMB muscle older adults meta-analysis, the next editorial step is to add more targeted sources and separate strong findings from early or indirect evidence.

## Limits Of This First Pass

This is a small-batch MVP article. It uses the first ingested sources for this topic and should be expanded with more targeted searches, license review, and human editorial checks before being treated as a definitive review.

## References

- Xie Chengfu (2026). Combined resistance training and amino acid-based supplementation for sarcopenia in older adults: a systematic review and meta-analysis. DOI: 10.1186/s12891-025-09436-8. PMCID: PMC12809905. PMID: 41540398. License: https://creativecommons.org/licenses/by-nc-nd/4.0/ http://creativecommons.org/licenses/by-nc-nd/4.0/ This article is .... https://pmc.ncbi.nlm.nih.gov/articles/PMC12809905/
- García-Alonso Alberto (2025). The Role of HMB Supplementation in Enhancing the Effects of Resistance Training in Older Adults: A Systematic Review and Meta-Analysis on Muscle Quality, Body Composition, and Physical Function. DOI: 10.3390/nu17223624. PMCID: PMC12655442. PMID: 41305674. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC12655442/

## Safety Note

Health information can change, and individual risk depends on medical history, medications, pregnancy status, age, and diagnosis. Talk with a qualified clinician before changing treatment, supplement, or medication routines.