# Vitamin B2 Supplementation Migraine Meta-analysis: What the Evidence Says
Canonical: https://www.migaku.app/guides/vitamin-b2-supplementation-migraine-meta-analysis-evidence-review
Category: evidence-review
Summary: Vitamin B2 Supplementation Migraine Meta-analysis has 2 source documents in the current Migaku evidence database. The strongest available sources in this firs
Last reviewed: 2026-08-04
Reviewed by: Migaku Evidence Review
# Vitamin B2 Supplementation Migraine Meta-analysis: What the Evidence Says

## Quick Answer

Vitamin B2 Supplementation Migraine 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: 1 systematic review, 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 |
| --- | --- | ---: | --- | --- |
| The effect of riboflavin on the mean attack frequency, severity, and duration of migraine headaches: A systematic review and dose–response meta-analysis of clinical trials | systematic review | 1 | 2026-01-01 | 10.4103/jrms.jrms_547_24 |
| A review on gut microbiota and migraine severity: a complex relationship | narrative review | 3 | 2025-11-27 | 10.1007/s10787-025-02023-2 |

## What The Sources Report

- Each of these can have one of three scores of low, unclear, or high risk of bias. [Amini Sepide (2026); evidence level 1]
- Numerous neurological conditions, including multiple sclerosis, mood and anxiety disorders, Alzheimer's disease, Parkinson's disease, and migraines, have been associated with dysfunction of the gut-brain axis. [Gamil Noha M. (2025); evidence level 3]
- Gut dysbiosis also affects extra-neural pathways: (1) gut-liver axis-microbiota-derived LPS worsens hepatic inflammation, raising CRP and fibrinogen associated with migraine chronification (Bui et al.; Naghipour et al.; Vakilpour et al.) (2) gut-heart axis-SCFAs modulate autonomic tone, reducing the risk of cardiac arrhythmia in migraine sufferers (Amini-Salehi et al.). [Gamil Noha M. (2025); 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 at least one systematic-review style source in the current set, so it deserves more weight than single-study evidence. For vitamin B2 supplementation migraine 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

- Amini Sepide (2026). The effect of riboflavin on the mean attack frequency, severity, and duration of migraine headaches: A systematic review and dose–response meta-analysis of clinical trials. DOI: 10.4103/jrms.jrms_547_24. PMCID: PMC12949614. PMID: 41769676. License: https://creativecommons.org/licenses/by-nc-nd/4.0/. https://pmc.ncbi.nlm.nih.gov/articles/PMC12949614/
- Gamil Noha M. (2025). A review on gut microbiota and migraine severity: a complex relationship. DOI: 10.1007/s10787-025-02023-2. PMCID: PMC12855323. PMID: 41298977. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC12855323/

## 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.