# Phosphatidylcholine Cognition Meta-analysis: What the Evidence Says
Canonical: https://www.migaku.app/guides/phosphatidylcholine-cognition-meta-analysis-evidence-review
Category: evidence-review
Summary: Phosphatidylcholine Cognition Meta-analysis has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass
Last reviewed: 2026-07-30
Reviewed by: Migaku Evidence Review
# Phosphatidylcholine Cognition Meta-analysis: What the Evidence Says

## Quick Answer

Phosphatidylcholine Cognition Meta-analysis has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are mixed biomedical and public-health sources, 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 observational study, 1 research article.
- 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 |
| --- | --- | ---: | --- | --- |
| Plasma metabolomic profiles and risk of hip fracture among US individuals: a nested case–control and prospective cohort study | observational study | 3 | 2026-03-01 | 10.1016/j.ebiom.2026.106188 |
| Association between egg-derived phosphatidylcholine intake and trimethylamine N-oxide in healthy middle-aged and older adults | research article | 4 | 2026-02-25 | 10.1186/s12944-026-02909-2 |

## What The Sources Report

- We searched PubMed and Google Scholar from database inception to Dec 1, 2025, for studies in any language using the search terms ("metabolomics" OR "metabolomic profile" OR "plasma metabolites") AND ("hip fracture" OR "osteoporosis fracture" OR "bone fracture risk"). [Wu Zhiyuan (2026); evidence level 3]
- However, we identified no large-scale prospective studies that systematically examined the association between a wide range of plasma metabolites and the risk of hip fracture. [Wu Zhiyuan (2026); evidence level 3]
- Similarly, a recent systematic review concluded that current evidence supporting the cognitive benefits of egg consumption remains inconclusive. [Wang Wei (2026); evidence level 4]
- In several studies, elevated serum TMAO concentrations have been associated with increased risk of cardiovascular disease (CVD), including atherosclerosis. [Wang Wei (2026); evidence level 4]

## 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

For phosphatidylcholine cognition meta-analysis, the current source set is useful for orientation, but it is not yet broad enough for strong claims. Use cautious language and keep conclusions close to the cited sources.

## 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

- Wu Zhiyuan (2026). Plasma metabolomic profiles and risk of hip fracture among US individuals: a nested case–control and prospective cohort study. DOI: 10.1016/j.ebiom.2026.106188. PMCID: PMC12962127. PMID: 41762524. License: https://creativecommons.org/licenses/by-nc-nd/4.0/. https://pmc.ncbi.nlm.nih.gov/articles/PMC12962127/
- Wang Wei (2026). Association between egg-derived phosphatidylcholine intake and trimethylamine N-oxide in healthy middle-aged and older adults. DOI: 10.1186/s12944-026-02909-2. PMCID: PMC13040798. PMID: 41742272. 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/PMC13040798/

## 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.