Last updated August 22, 2026
Key finding
Whole-body insulin sensitivity increased (p = 0.032).
The study investigated the effects of intrinsic fiber supplementation on insulin sensitivity in individuals at risk for type 2 diabetes, finding significant improvements in whole-body insulin sensitivity and reductions in circulating triglycerides.
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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
A plain-language read of the study’s main message and where it applies.
Study focus
The study investigated the effects of intrinsic fiber supplementation on insulin sensitivity in individuals at risk for type 2 diabetes, finding significant improvements in whole-body insulin sensitivity and reductions in circulating triglycerides.
Improving insulin sensitivity is crucial for preventing type 2 diabetes, a condition that affects millions worldwide. The findings suggest that dietary interventions, such as intrinsic fiber supplementation, could be a practical strategy for individuals at risk, potentially reducing their chances of developing diabetes and associated complications.
The study had a limited sample size. Results may not be generalizable to all populations. Some outcomes showed only trends rather than significant changes.
Published in
Publication details and source links for this paper.
Lina O, Emanuel EC, Marie-Luise P, et al. Intrinsic Fiber Supplementation Improves Insulin Sensitivity in Individuals at Risk for Type 2 Diabetes. Cell Reports Medicine. 2025;6(7):102237. doi:10.1016/j.xcrm.2025.102237
Whole-body insulin sensitivity increased significantly (p = 0.032).
Circulating triglycerides were reduced significantly (p = 0.049).
The proportion of small adipocytes increased significantly (p = 0.008).
Evidence network
Understand where this research contributes within the broader evidence network.
This study contributes evidence to Intrinsic fiber product and Circulating triglycerides levels, Insulin sensitivity, Liver fat content, and 1 more.
This study contributes evidence to
Primary intervention
Intrinsic fiber product
Primary outcomes
Primary intervention
Intervention and outcome relationships this study adds to the evidence network.
Editorial context
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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.
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Related topics
4
Evidence pairs
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Related studies
Core evidence
The primary outcomes reported in this study.
Intrinsic fiber product → Circulating triglycerides levels
Intrinsic fiber product → Circulating triglycerides levels
Intrinsic fiber product → Insulin sensitivity
Intrinsic fiber product → Insulin sensitivity
Intrinsic fiber product → Liver fat content
Intrinsic fiber product → Liver fat content
Intrinsic fiber product → Proportion of small adipocytes
Intrinsic fiber product → Proportion of small adipocytes
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Relationships organized using the Dediabetes Evidence Intelligence™ framework.
This study contributes to evidence on Intrinsic fiber product and Circulating triglycerides levels, Intrinsic fiber product and Insulin Resistance.
This study contributes to the evidence on the following intervention-outcome relationships.
Supplements
Curated evidence collections and hubs this study is part of.
All studies measuring Circulating triglycerides levels
Measures Circulating triglycerides levels as a key outcome.
All studies measuring Insulin Resistance
Measures Insulin Resistance as a key outcome.
All studies on Intrinsic fiber product
Contributes to Intrinsic fiber product evidence base.
Latest published studies
Published within the last 2 years.
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1 results
1 results
1 results
1 results
1 results
Generated from the study's connected evidence using Evidence Intelligence™.
Intrinsic fiber product appears to improve circulating triglycerides levels.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Circulating triglycerides 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
Intrinsic fiber product appears to improve proportion of small adipocytes.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Proportion of small adipocytes
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Intrinsic fiber product may improve insulin sensitivity.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Insulin sensitivity
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | weak positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Current evidence does not show a clear benefit of Intrinsic fiber product for liver fat content.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Liver fat content
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
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