Research Summary
Analyzed using Evidence Intelligence™

Vitamin D supplementation may improve arterial stiffness in Type 2 diabetes patients

Key finding

Vitamin D supplementation could inhibit the decrease in the ankle-brachial index (mean ± SD: EX + VD and VD, -0.001 ± 0.058; p = 0.03).

Moderate and vigorous exercise program with or without vitamin D supplementation in adults with type 2 diabetes.

Evidence strength

Moderate confidence

Study type

RCTs

Follow-up

Medium-Term (3–12 mo)

Some Concerns bias
Last updated July 3, 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

Exercise + Vitamin D, Vitamin D supplementation

Study type

RCTs

Follow-up

Medium-Term (3–12 mo)

Primary outcome

Ankle-brachial index (ABI)

Comparator

Placebo control group

Plain-language summary

What this paper says

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

Study focus

Moderate and vigorous exercise program with or without vitamin D supplementation in adults with type 2 diabetes.

Clinical relevance

This study evaluated Moderate and vigorous exercise program with or without vitamin D supplementation in adults with type 2 diabetes.

Keep in mind

Limitations were not clearly described in the extracted text.

Published in

Journal Reference

Publication details and source links for this paper.

Jiaju H, Zhongying L, Rui L, et al. Effects of a 12-Week Moderate and Vigorous Exercise Program with or without Vitamin D Supplementation on Arterial Stiffness in Patients with Type 2 Diabetes. Nutrients. 2024;16(21):3618. doi:10.3390/nu16213618

Save this study and add notes to your research library.

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Vitamin D supplementation and Ankle-brachial index (ABI), Brachial-ankle pulse wave velocity (baPWV), Diastolic blood pressure, and 2 more.

Primary intervention

Vitamin D 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.

5
Evidence pairs
5
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: 59

1

Related topics

5

Evidence pairs

33

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 5 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.

StrongDecrease

Ankle-brachial index (ABI)

Vitamin D supplementation → Ankle-brachial index (ABI)

Vitamin D supplementation → Ankle-brachial index (ABI)

Evidence profile

StrongDecreaseClinical Outcomes
Unlock full evidence details
NoneNo Change

Brachial-ankle pulse wave velocity (baPWV)

Vitamin D supplementation → Brachial-ankle pulse wave velocity (baPWV)

Vitamin D supplementation → Brachial-ankle pulse wave velocity (baPWV)

Evidence profile

NoneNo ChangeClinical Outcomes
Unlock full evidence details
NoneNo Change

Diastolic blood pressure

Vitamin D supplementation → Diastolic blood pressure

Vitamin D supplementation → Diastolic blood pressure

Evidence profile

NoneNo ChangeMetabolic Health
Unlock full evidence details
StrongDecrease

Plasma lipidome changes

Vitamin D supplementation → Plasma lipidome changes

Vitamin D supplementation → Plasma lipidome changes

Evidence profile

StrongDecreaseClinical Outcomes
Unlock full evidence details
NoneNo Change

Systolic blood pressure

Vitamin D supplementation → Systolic blood pressure

Vitamin D supplementation → Systolic blood pressure

Evidence profile

NoneNo ChangeMetabolic Health
Unlock full evidence details

Unlock full evidence analysis

Create a free account to access effectiveness ratings, evidence strength and depth scores, consistency analysis, and direct links to all supporting studies.

Unlock Full Analysis

Create a free account to unlock the bias score, detailed effectiveness analysis, and clinical outcomes for this study.

Already have an account?

Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on Vitamin D supplementation and Left Ventricular Structure, Vitamin D supplementation and Plasma lipidome changes.

Related evidence relationships

Explore in Evidence Archive

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 Vitamin D supplementation improve ankle-brachial index (abi)?

Emerging Evidence

Vitamin D supplementation appears to improve Ankle-brachial index (ABI).

ConsensusScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Ankle-brachial index (ABI)

    EvidenceScore™ Emerging | EvidenceScore™ 57.3 | strong positive | ConsensusScore™ Consistent | 1 study

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

Limitations

  • Only one supporting study is available.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Vitamin D supplementation improve plasma lipidome changes?

Emerging Evidence

Vitamin D supplementation appears to improve Plasma lipidome changes.

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

Ranked evidence signals

  1. 1

    Plasma lipidome changes

    EvidenceScore™ Emerging | EvidenceScore™ 54.5 | strong positive | 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 Vitamin D supplementation improve brachial-ankle pulse wave velocity (bapwv)?

Limited Evidence

Current evidence does not show a clear benefit of Vitamin D 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™ 37.0 | 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 Vitamin D supplementation improve diastolic blood pressure?

Limited Evidence

Current evidence does not show a clear benefit of Vitamin D 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™ 37.0 | 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
Learn how Evidence Intelligence™ works

Next steps

Continue your research

Choose a next path through related evidence topics, archive views, and research summaries.

No ads. No tracking.

Focused on evidence, not advertising.

Secure & private

Your data is always protected.

Always up to date

New studies added every day.