# Nac Exercise Recovery Randomized Trial: What the Evidence Says
Canonical: https://www.migaku.app/guides/nac-exercise-recovery-randomized-trial-evidence-review
Category: evidence-review
Summary: Nac Exercise Recovery Randomized Trial has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are 
Last reviewed: 2026-06-23
Reviewed by: Migaku Evidence Review
# Nac Exercise Recovery Randomized Trial: What the Evidence Says

## Quick Answer

Nac Exercise Recovery Randomized Trial has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are randomized trial, 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: 1 randomized trial, 1 narrative 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 |
| --- | --- | ---: | --- | --- |
| Efficacy and safety of N-acetylcysteine in patients with mild cognitive impairment undergoing exercise-based cardiac rehabilitation program: a randomized controlled trial. | randomized trial | 2 | 2026-04-27 | 10.1186/s13195-026-02062-z |
| Glycine and N-acetylcysteine supplementation, with or without exercise, in brain health and functional aging: implications for sarcopenia and frailty in older adults | narrative review | 3 | 2026-05-18 | 10.3389/fnut.2026.1775264 |

## What The Sources Report

- The executive function composite score improved over time (B = 0.31, 95% CI = [0.14, 0.48], p < 0.001), with no significant differences between N-acetylcysteine and placebo (B = -0.04, 95% CI = -0.28 to 0.20, p = 0.8) or in other cognitive domains. [Gallagher D (2026); evidence level 2]
- CONCLUSION: N-acetylcysteine supplementation did not provide additional cognitive benefits beyond that of cardiac rehabilitation alone among patients with vascular mild cognitive impairment. [Gallagher D (2026); evidence level 2]
- Aging is characterized by progressive physiological decline, including loss of skeletal muscle mass and function (Sarcopenia), reduced mitochondrial efficiency, and increased oxidative stress, all of which contribute to frailty and diminished quality of life in older adults. [Wang Xiaolan (2026); evidence level 3]
- By the age of 70, individuals may experience a 25%&#8722;30% reduction in muscle mass, which is strongly associated with impaired mobility, falls, and loss of independence. [Wang Xiaolan (2026); evidence level 3]

## 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 trial evidence in the current set, but population and intervention details still matter. For nac exercise recovery randomized trial, 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

- Gallagher D (2026). Efficacy and safety of N-acetylcysteine in patients with mild cognitive impairment undergoing exercise-based cardiac rehabilitation program: a randomized controlled trial.. DOI: 10.1186/s13195-026-02062-z. PMCID: PMC13255300. PMID: 42045982. https://pmc.ncbi.nlm.nih.gov/articles/PMC13255300/
- Wang Xiaolan (2026). Glycine and N-acetylcysteine supplementation, with or without exercise, in brain health and functional aging: implications for sarcopenia and frailty in older adults. DOI: 10.3389/fnut.2026.1775264. PMCID: PMC13223053. PMID: 42232577. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC13223053/

## 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.