Research Summary
Analyzed using Evidence Intelligence™

Anthocyanins show no significant effects on vascular stiffness in diabetes

Key finding

No significant effects or dose–response relationships were observed by ACNs supplementation on arterial stiffness.

This study investigated the effects of purified anthocyanins on vascular stiffness and cardiovascular risk in Chinese adults with dysglycemia, finding no significant improvements.

Evidence strength

Moderate confidence

Study type

RCTs

Follow-up

Medium-Term (3–12 mo)

High bias
Last updated July 5, 2026

Quick read

Study at a glance

The essential study design details in one scan.

Population

Young Adult (19–39), Middle Aged (40-64), Male, Female, Asia-Pacific (APAC), with T2 Diabetes

Intervention

Purified anthocyanins supplementation

Study type

RCTs

Follow-up

Medium-Term (3–12 mo)

Primary outcome

Brachial-ankle pulse wave velocity (baPWV)

Evidence

Moderate confidence

Plain-language summary

What this paper says

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

Study focus

This study investigated the effects of purified anthocyanins on vascular stiffness and cardiovascular risk in Chinese adults with dysglycemia, finding no significant improvements.

Clinical relevance

Understanding the impact of dietary supplements like anthocyanins on cardiovascular health is crucial, especially for populations at risk, such as those with dysglycemia. The lack of significant findings suggests that anthocyanins may not be an effective intervention for improving vascular health in this demographic, guiding future research and dietary recommendations.

Keep in mind

Unclear effectiveness of anthocyanins due to lack of significant findings Limited generalizability to other populations outside Chinese adults with dysglycemia Potential unmeasured confounders affecting results

Published in

Journal Reference

Publication details and source links for this paper.

Zhaomin L, Minmin L, Yuming C, et al. The Dose-Response Effects of Purified Anthocyanins on Vascular Stiffness and Cardiovascular Risk in Chinese Adults with Dysglycemia. Nutrients. 2025;18(1):112. doi:10.3390/nu18010112

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Main Effects

No significant change in brachial-ankle pulse wave velocity (0 cm/s, no_change)

No significant change in ankle-brachial index (0 index, no_change)

No significant change in systolic blood pressure (0 mmHg, no_change)

No significant change in diastolic blood pressure (0 mmHg, no_change)

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Purified anthocyanins supplementation and Ankle-brachial index (ABI), Brachial-ankle pulse wave velocity (baPWV), Diastolic blood pressure, and 1 more.

Primary intervention

Purified anthocyanins supplementation

Primary outcomes

  • Ankle-brachial index (ABI)
  • Brachial-ankle pulse wave velocity (baPWV)
  • Diastolic blood pressure

Evidence relationships

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

4
Evidence pairs
4
Relationships
1
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: 63

1

Related topics

4

Evidence pairs

33

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 4 evidence relationships
  • Includes primary outcome data
  • Linked to 1 direct semantic evidence topic

Topic contributions

Evidence topic

Contributes evidence

Core evidence

Study findings

The primary outcomes reported in this study.

NoneNo Change

Ankle-brachial index (ABI)

Purified anthocyanins supplementation → Ankle-brachial index (ABI)

Purified anthocyanins supplementation → Ankle-brachial index (ABI)

Evidence profile

NoneNo ChangeClinical Outcomes
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NoneNo Change

Brachial-ankle pulse wave velocity (baPWV)

Purified anthocyanins supplementation → Brachial-ankle pulse wave velocity (baPWV)

Purified anthocyanins supplementation → Brachial-ankle pulse wave velocity (baPWV)

Evidence profile

NoneNo ChangeClinical Outcomes
Unlock full evidence details
NoneNo Change

Diastolic blood pressure

Purified anthocyanins supplementation → Diastolic blood pressure

Purified anthocyanins supplementation → Diastolic blood pressure

Evidence profile

NoneNo ChangeMetabolic Health
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NoneNo Change

Systolic blood pressure

Purified anthocyanins supplementation → Systolic blood pressure

Purified anthocyanins supplementation → Systolic blood pressure

Evidence profile

NoneNo ChangeMetabolic Health
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evidence suggest

Evidence Suggest

  • No significant effects on vascular stiffness as measured by baPWV.
  • No significant effects on vascular function as measured by ABI.
  • No significant changes in systolic or diastolic blood pressure.
who this applies

Who this applies to

  • Chinese adults with dysglycemia
  • Individuals at risk for cardiovascular disease
keep in mind

Keep in Mind

  • Results may not apply to other ethnic groups or populations.
  • The study focused specifically on dysglycemia, limiting broader applicability.
  • Further research is needed to explore other potential benefits of anthocyanins.
between the lines

Between the Lines

  • Unclear effectiveness of anthocyanins due to lack of significant findings
  • Limited generalizability to other populations outside Chinese adults with dysglycemia
  • Potential unmeasured confounders affecting results

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Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

Questions answered by this study

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

Does Purified anthocyanins supplementation improve ankle-brachial index (abi)?

Limited Evidence

Current evidence does not show a clear benefit of Purified anthocyanins supplementation for Ankle-brachial index (ABI).

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

Ranked evidence signals

  1. 1

    Ankle-brachial index (ABI)

    EvidenceScore™ Limited | EvidenceScore™ 31.6 | neutral | ConsensusScore™ 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 Purified anthocyanins supplementation improve brachial-ankle pulse wave velocity (bapwv)?

Limited Evidence

Current evidence does not show a clear benefit of Purified anthocyanins supplementation for Brachial-ankle pulse wave velocity (baPWV).

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

Ranked evidence signals

  1. 1

    Brachial-ankle pulse wave velocity (baPWV)

    EvidenceScore™ Limited | EvidenceScore™ 31.6 | neutral | ConsensusScore™ 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 Purified anthocyanins supplementation improve diastolic blood pressure?

Limited Evidence

Current evidence does not show a clear benefit of Purified anthocyanins supplementation for Diastolic blood pressure.

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

Ranked evidence signals

  1. 1

    Diastolic blood pressure

    EvidenceScore™ Limited | EvidenceScore™ 31.6 | neutral | ConsensusScore™ 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 Purified anthocyanins supplementation improve systolic blood pressure?

Limited Evidence

Current evidence does not show a clear benefit of Purified anthocyanins supplementation for Systolic blood pressure.

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

Ranked evidence signals

  1. 1

    Systolic blood pressure

    EvidenceScore™ Limited | EvidenceScore™ 31.6 | neutral | ConsensusScore™ 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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