Research Summary
Analyzed using Evidence Intelligence™

Exercise and Red Wine Improve Glycemic Control in Diabetes

Last updated August 24, 2026

Key finding

Dinner postprandial glucose responses were reduced by wine (p = 0.003).

This study examined the impact of daily red wine consumption and exercise on glycemic control in insulin-resistant individuals, finding that both interventions improved glucose levels.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Short-Term (≤3 mo)

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

This study examined the impact of daily red wine consumption and exercise on glycemic control in insulin-resistant individuals, finding that both interventions improved glucose levels.

Clinical relevance

These findings are significant for individuals with insulin resistance, as managing blood sugar levels is crucial for preventing diabetes and related complications. The study suggests that lifestyle modifications, such as incorporating daily exercise and moderate red wine consumption, may offer effective strategies for improving glycemic control, potentially leading to better health outcomes.

Keep in mind

The study's sample size and demographics may limit generalizability. The effects of long-term red wine consumption were not assessed. Potential confounding factors were not fully controlled.

Published in

Journal Reference

Publication details and source links for this paper.

Kirk AA, Mackenzie NB, Connor BE, Ava BH, Megan KW, Hannah EW. The Effects of Daily Red Wine Consumption and Exercise on Glycemic Control in Insulin Resistant Individuals. International Journal of Exercise Science. 2026;19(2):2003. doi:10.70252/IJES2026203

Main Effects

Mean 24-hr glucose levels decreased to 122 ± 17.5 mg/dl with daily exercise.

Mean 24-hr glucose levels decreased to 121 ± 24.9 mg/dl with daily exercise and red wine.

Dinner postprandial glucose responses were reduced by wine (p = 0.003).

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Aerobic exercise, Daily red wine with dinner, Daily red wine with dinner and daily exercise (Ex + Wine) and Blood glucose, Glucose iAUC (OGTT).

Primary intervention

Aerobic exercise

Primary outcomes

  • Blood glucose
  • Glucose iAUC (OGTT)

Evidence relationships

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

5
Evidence pairs
5
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

5

Evidence pairs

363

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 5 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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Primary evidence

Evidence relationship

Aerobic Exercise and Postprandial and OGTT Glucose

Related evidence

Evidence relationship

Aerobic Exercise and Fasting Glucose

Save evidence

Evidence topic

Glycemic Control

Save evidence

Core evidence

Study findings

The primary outcomes reported in this study.

Blood glucose

Aerobic exercise → Blood glucose

Aerobic exercise → Blood glucose

Evidence Intelligence™
EvidenceScore™
77
Strong
ImpactScore™
100
Very Positive
ConsistencyScore™
100
consistent
Supporting studies: Based on 3 studies
Add to Evidence Tracker

Glucose iAUC (OGTT)

Aerobic exercise → Glucose iAUC (OGTT)

Aerobic exercise → Glucose iAUC (OGTT)

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Glucose iAUC (OGTT)

Daily red wine with dinner → Glucose iAUC (OGTT)

Daily red wine with dinner → Glucose iAUC (OGTT)

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Blood glucose

Daily red wine with dinner and daily exercise (Ex + Wine) → Blood glucose

Daily red wine with dinner and daily exercise (Ex + Wine) → Blood glucose

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Glucose iAUC (OGTT)

Daily red wine with dinner and daily exercise (Ex + Wine) → Glucose iAUC (OGTT)

Daily red wine with dinner and daily exercise (Ex + Wine) → Glucose iAUC (OGTT)

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Evidence Library

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evidence suggest

Evidence Suggest

  • Daily exercise reduced mean glucose levels by 8 mg/dl (p = 0.017).
  • Combining exercise with red wine decreased glucose levels by 9 mg/dl (p = 0.017).
  • Wine reduced dinner postprandial glucose responses by 25 mg/dl (p = 0.003).
who this applies

Who this applies to

  • Insulin-resistant individuals seeking lifestyle interventions.
  • Adults aged 30-65 with risk factors for diabetes.
keep in mind

Keep in Mind

  • Results may not apply to individuals with other health conditions.
  • The study did not explore the long-term effects of red wine consumption.
  • Further research is needed to confirm these findings in diverse populations.
between the lines

Between the Lines

  • The study's sample size and demographics may limit generalizability.
  • The effects of long-term red wine consumption were not assessed.
  • Potential confounding factors were not fully controlled.

Evidence Library

Build your evidence library

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Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on Aerobic Exercise and Fasting Glucose, Aerobic Exercise and Postprandial and OGTT Glucose.

Related evidence relationships

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 Aerobic Exercise improve postprandial and ogtt glucose?

Strong Evidence

Aerobic Exercise may improve Postprandial and OGTT Glucose.

ConsistencyScore™: Results are mixed and should be interpreted cautiously.

Evidence caveat: The available evidence reports mixed findings.

Ranked evidence signals

  1. 1

    Glucose iAUC (OGTT)

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is cautious because the available studies report mixed findings.

Limitations

  • Population details are unavailable.
5 supporting studiesUpdated: Aug 2026

Does Aerobic Exercise improve fasting glucose?

Strong Evidence

Aerobic Exercise appears to improve Fasting Glucose.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Blood glucose

    EvidenceScore™ Strong | EvidenceScore™ 77.4 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on 6 supporting studies with consistent results and a positive effect signal.

Limitations

  • Population details are unavailable.
6 supporting studiesUpdated: Aug 2026

Does Daily red wine with dinner improve glucose iauc (ogtt)?

Emerging Evidence

Daily red wine with dinner appears to improve Glucose iAUC (OGTT).

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

Ranked evidence signals

  1. 1

    Glucose iAUC (OGTT)

    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: Aug 2026

Does Daily red wine with dinner and daily exercise (Ex + Wine) improve blood glucose?

Emerging Evidence

Daily red wine with dinner and daily exercise (Ex + Wine) 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: Aug 2026
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