Resumen de Investigación
Analyzed using Evidence Intelligence™

Astaxanthin may reduce inflammation in Type 2 diabetes

Última actualización 3 de julio de 2026

Key finding

Astaxanthin supplementation resulted in a noteworthy decrease (p < 0.05) in hsa-miR-21 expression.

Astaxanthin supplementation significantly reduced inflammation-related microRNAs and improved metabolic markers in type 2 diabetes patients.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Extended (5–20+ y)

Risk of bias

Some Concerns

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Plain-language summary

What this paper says

A plain-language read of the study’s main message and where it applies.

Study focus

Astaxanthin supplementation significantly reduced inflammation-related microRNAs and improved metabolic markers in type 2 diabetes patients.

Clinical relevance

The findings highlight the potential of astaxanthin as a therapeutic option for managing inflammation and metabolic dysfunction in type 2 diabetes. By reducing inflammation-related microRNAs and improving glucose levels, astaxanthin may contribute to better overall health outcomes for patients with this condition.

Keep in mind

Limited sample size may affect generalizability. Short duration of the study may not capture long-term effects. Potential for unmeasured confounders influencing outcomes.

Published in

Referencia de la Revista

Publication details and source links for this paper.

Ali S, Fatemeh Z, Mohammad-Hossein A, Mehdi D, Nikoo RR, Sana T. Astaxanthin Supplementation Reduces Inflammation-Related MicroRNAs in Type 2 Diabetes Patients. International Journal of Endocrinology. 2025;2025:5878361. doi:10.1155/ije/5878361

Efectos Principales

Astaxanthin supplementation decreased hsa-miR-21 expression by -1.5 fold (p = 0.001).

Astaxanthin supplementation reduced serum plasma glucose levels significantly compared to placebo.

Astaxanthin supplementation lowered HbA1c levels compared to the placebo group.

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Astaxanthin supplementation and Blood glucose, HbA1c, Lysophosphatidylcholine, and 6 more.

Primary intervention

Astaxanthin supplementation

Primary outcomes

  • Blood glucose
  • HbA1c
  • Lysophosphatidylcholine

Evidence relationships

Intervention and outcome relationships this study adds to the evidence network.

9
Evidence pairs
9
Relationships
2
Evidence topics
contributes_evidence

Editorial context

Why this study matters

See why this paper is useful beyond its individual results.

Evidence network role

This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.

Moderate contributionModerate confidenceNetwork score: 68

2

Related topics

9

Evidence pairs

555

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 9 evidence relationships
  • Includes primary outcome data
  • Linked to 2 direct semantic evidence topics

Topic contributions

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

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Evidencia principal

Tema de evidencia

Glycemic Control

matched_outcome

Evidencia relacionada

Tema de evidencia

HbA1c Reduction

Guardar evidencia

Core evidence

Study findings

The primary outcomes reported in this study.

Blood glucose

Astaxanthin supplementation → Blood glucose

Astaxanthin supplementation → Blood glucose

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

HbA1c

Astaxanthin supplementation → HbA1c

Astaxanthin supplementation → HbA1c

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

hsa-miR-155 expression

Astaxanthin supplementation → hsa-miR-155 expression

Astaxanthin supplementation → hsa-miR-155 expression

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

hsa-miR-21 expression

Astaxanthin supplementation → hsa-miR-21 expression

Astaxanthin supplementation → hsa-miR-21 expression

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

hsa-miR-34a expression

Astaxanthin supplementation → hsa-miR-34a expression

Astaxanthin supplementation → hsa-miR-34a expression

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

lipid profiles

Astaxanthin supplementation → lipid profiles

Astaxanthin supplementation → lipid profiles

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Lysophosphatidylcholine

Astaxanthin supplementation → Lysophosphatidylcholine

Astaxanthin supplementation → Lysophosphatidylcholine

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Urinary albumin-to-creatinine ratio

Astaxanthin supplementation → Urinary albumin-to-creatinine ratio

Astaxanthin supplementation → Urinary albumin-to-creatinine ratio

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

α-hydroxybutyrate

Astaxanthin supplementation → α-hydroxybutyrate

Astaxanthin supplementation → α-hydroxybutyrate

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Evidence Library

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evidence suggest

La Evidencia Sugiere

  • Astaxanthin reduced hsa-miR-155 expression by -2 fold (p = 0.001).
  • Lysophosphatidylcholine levels decreased by -15 µM (p = 0.004) with astaxanthin.
  • Urinary albumin-to-creatinine ratio was significantly reduced in the astaxanthin group.
who this applies

A quién se aplica

  • Adults diagnosed with type 2 diabetes.
  • Patients experiencing inflammation-related complications.
keep in mind

Tener en Cuenta

  • Results may not apply to populations outside the study sample.
  • Further research is needed to confirm long-term benefits.
  • The study did not explore potential side effects of astaxanthin.
between the lines

Entre Líneas

  • Limited sample size may affect generalizability.
  • Short duration of the study may not capture long-term effects.
  • Potential for unmeasured confounders influencing outcomes.

Evidence Library

Build your evidence library

Save research, organize studies, and quickly find important evidence again.

Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on Astaxanthin supplementation and Fasting Glucose, Astaxanthin supplementation and HbA1c.

Relaciones de evidencia relacionadas

Explore in Evidence Explorer

This study contributes to the evidence on the following intervention-outcome relationships.

Questions answered by this study

Generated from the study's connected evidence using Evidence Intelligence™.

Does Astaxanthin supplementation improve blood glucose?

Emerging Evidence

Astaxanthin supplementation appears to improve Blood glucose.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Blood glucose

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Astaxanthin supplementation improve HbA1c?

Emerging Evidence

Astaxanthin supplementation appears to improve HbA1c.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Astaxanthin supplementation improve lysophosphatidylcholine?

Emerging Evidence

Astaxanthin supplementation appears to improve Lysophosphatidylcholine.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Lysophosphatidylcholine

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Astaxanthin supplementation improve urinary albumin-to-creatinine ratio?

Emerging Evidence

Astaxanthin supplementation appears to improve Urinary albumin-to-creatinine ratio.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Urinary albumin-to-creatinine ratio

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026
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