Resumen de Investigación
Analyzed using Evidence Intelligence™

Magnesium from Deep Seawater Improves Insulin Resistance

Última actualización 6 de julio de 2026

Key finding

Fasting insulin levels improved compared to the placebo group.

This study investigated the effects of magnesium-containing deep seawater mineral extracts on insulin resistance in patients with impaired glucose tolerance, showing improvements in several insulin-related markers.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Medium-Term (3–12 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 investigated the effects of magnesium-containing deep seawater mineral extracts on insulin resistance in patients with impaired glucose tolerance, showing improvements in several insulin-related markers.

Clinical relevance

Improving insulin sensitivity is crucial for managing conditions like prediabetes and type 2 diabetes. This study suggests that magnesium from deep seawater may be a beneficial supplement for individuals with impaired glucose tolerance, potentially aiding in the prevention of diabetes progression.

Keep in mind

The effectiveness of the intervention remains unclear due to lack of significant findings in some glucose measures. The study's sample size and demographic may limit generalizability. No long-term effects were assessed beyond the intervention period.

Published in

Referencia de la Revista

Publication details and source links for this paper.

Ji YH, You KJ, Byong YJ, Yun HS, Åke S. Effects of Magnesium-Containing Deep Seawater Mineral Extracts on Insulin Resistance in Patients with Impaired Glucose Tolerance. Medicina. 2024;60(8):1265. doi:10.3390/medicina60081265

Efectos Principales

Fasting insulin levels improved compared to the placebo group.

C-peptide levels improved compared to the placebo group.

HOMA-IR values improved compared to the placebo group.

QUICKI values improved 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 Deep seawater mineral extracts containing Mg 2+ and C-peptide, C-peptide incremental area under the curve (iAUC), Fasting Plasma Glucose (FPG), and 7 more.

Primary intervention

Deep seawater mineral extracts containing Mg 2+

Primary outcomes

  • C-peptide
  • C-peptide incremental area under the curve (iAUC)
  • Fasting Plasma Glucose (FPG)

Evidence relationships

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

10
Evidence pairs
10
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: 64

2

Related topics

10

Evidence pairs

319

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 10 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

Seguir evidencia

Core evidence

Study findings

The primary outcomes reported in this study.

C-peptide

Deep seawater mineral extracts containing Mg 2+ → C-peptide

Deep seawater mineral extracts containing Mg 2+ → C-peptide

Evidence Intelligence™
ImpactScore™
25
Negative
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

C-peptide incremental area under the curve (iAUC)

Deep seawater mineral extracts containing Mg 2+ → C-peptide incremental area under the curve (iAUC)

Deep seawater mineral extracts containing Mg 2+ → C-peptide incremental area under the curve (iAUC)

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

Fasting insulin levels

Deep seawater mineral extracts containing Mg 2+ → Fasting insulin levels

Deep seawater mineral extracts containing Mg 2+ → Fasting insulin levels

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

Fasting Plasma Glucose (FPG)

Deep seawater mineral extracts containing Mg 2+ → Fasting Plasma Glucose (FPG)

Deep seawater mineral extracts containing Mg 2+ → Fasting Plasma Glucose (FPG)

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

Glucose iAUC (OGTT)

Deep seawater mineral extracts containing Mg 2+ → Glucose iAUC (OGTT)

Deep seawater mineral extracts containing Mg 2+ → Glucose iAUC (OGTT)

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

HbA1c

Deep seawater mineral extracts containing Mg 2+ → HbA1c

Deep seawater mineral extracts containing Mg 2+ → HbA1c

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

Homeostatic Model Assessment of Beta-cell function (HOMA-β)

Deep seawater mineral extracts containing Mg 2+ → Homeostatic Model Assessment of Beta-cell function (HOMA-β)

Deep seawater mineral extracts containing Mg 2+ → Homeostatic Model Assessment of Beta-cell function (HOMA-β)

Evidence Intelligence™
ImpactScore™
25
Negative
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Insulin resistance

Deep seawater mineral extracts containing Mg 2+ → Insulin resistance

Deep seawater mineral extracts containing Mg 2+ → Insulin resistance

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

Insulin sensitivity

Deep seawater mineral extracts containing Mg 2+ → Insulin sensitivity

Deep seawater mineral extracts containing Mg 2+ → Insulin sensitivity

Evidence Intelligence™
ImpactScore™
25
Negative
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Stumvoll insulin sensitivity index

Deep seawater mineral extracts containing Mg 2+ → Stumvoll insulin sensitivity index

Deep seawater mineral extracts containing Mg 2+ → Stumvoll insulin sensitivity index

Evidence Intelligence™
ImpactScore™
25
Negative
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

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Evidence Tracker

12 tracked topics

Saved Studies

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Research Notes

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evidence suggest

La Evidencia Sugiere

  • Fasting insulin levels improved significantly in the treatment group.
  • C-peptide and HOMA-IR values also showed improvement.
  • No significant changes were observed in fasting plasma glucose or HbA1c.
who this applies

A quién se aplica

  • Adults with impaired glucose tolerance.
  • Individuals at risk for developing type 2 diabetes.
keep in mind

Tener en Cuenta

  • Results may not apply to populations outside the study's demographic.
  • Further research is needed to confirm long-term benefits.
  • The study did not measure all potential confounding factors.
between the lines

Entre Líneas

  • The effectiveness of the intervention remains unclear due to lack of significant findings in some glucose measures.
  • The study's sample size and demographic may limit generalizability.
  • No long-term effects were assessed beyond the intervention period.

Save this study

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Today's Activity

Your Evidence Workspace

Free account

Saved this study

Your free account becomes your personal diabetes evidence workspace.

Evidence Tracker

12 tracked topics

Saved Studies

48 studies

Research Notes

Coming Soon

Weekly Evidence Digest

Coming Soon

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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 Deep seawater mineral extracts containing Mg 2+ and C-peptide, Deep seawater mineral extracts containing Mg 2+ and Insulin Resistance.

Relaciones de evidencia relacionadas

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 Deep seawater mineral extracts containing Mg 2+ improve fasting insulin levels?

Emerging Evidence

Deep seawater mineral extracts containing Mg 2+ appears to improve Fasting insulin levels.

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

Ranked evidence signals

  1. 1

    Fasting insulin levels

    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 Deep seawater mineral extracts containing Mg 2+ improve insulin resistance?

Emerging Evidence

Deep seawater mineral extracts containing Mg 2+ appears to improve Insulin resistance.

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

Ranked evidence signals

  1. 1

    Insulin resistance

    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 Deep seawater mineral extracts containing Mg 2+ improve c-peptide incremental area under the curve (iauc)?

Emerging Evidence

Current evidence does not show a clear benefit of Deep seawater mineral extracts containing Mg 2+ for C-peptide incremental area under the curve (iAUC).

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

Ranked evidence signals

  1. 1

    C-peptide incremental area under the curve (iAUC)

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | 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 Deep seawater mineral extracts containing Mg 2+ improve fasting plasma glucose (fpg)?

Emerging Evidence

Current evidence does not show a clear benefit of Deep seawater mineral extracts containing Mg 2+ for Fasting Plasma Glucose (FPG).

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

Ranked evidence signals

  1. 1

    Fasting Plasma Glucose (FPG)

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | 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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