Last updated September 1, 2026
Key finding
Fasting blood glucose levels (p<0.01) were decreased significantly in those ingesting seaweed.
This study examined the effects of seaweed supplementation on blood glucose levels and lipid profiles in individuals with type 2 diabetes, finding significant reductions in fasting plasma glucose and triglycerides.
Quick read
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
A plain-language read of the study’s main message and where it applies.
Study focus
This study examined the effects of seaweed supplementation on blood glucose levels and lipid profiles in individuals with type 2 diabetes, finding significant reductions in fasting plasma glucose and triglycerides.
These findings suggest that incorporating seaweed into the diet could be a beneficial strategy for managing blood glucose and lipid levels in individuals with type 2 diabetes. This could lead to improved metabolic health and potentially reduce the risk of diabetes-related complications.
Limited sample size may affect generalizability. No long-term follow-up to assess sustained effects. Potential confounding factors not controlled.
Published in
Publication details and source links for this paper.
Min SK, Jung YK, Woong HC, Sang SL. Physiological effects of seaweed supplementation on blood glucose levels, lipid profile, and antioxidant enzyme activities in subjects with type 2 diabetes mellitus. Nutrition Research and Practice. 2008;2(2):62-67. doi:10.4162/nrp.2008.2.2.62
Fasting Plasma Glucose decreased by 1.5 mmol/L (p<0.01)
2-hour postprandial blood glucose decreased significantly (p<0.05)
Serum triglycerides decreased by 15.2 mg/dL (p<0.05)
HDL cholesterol increased by 5.3 mg/dL (p<0.05)
Evidence network
Understand where this research contributes within the broader evidence network.
This study contributes evidence to Seaweed supplementation and Catalase activity change, Fasting Plasma Glucose (FPG), Glutathione peroxidase (GPx), and 7 more.
This study contributes evidence to
Primary intervention
Seaweed supplementation
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.
3
Related topics
10
Evidence pairs
1034
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Contributes evidence
Evidence topic
Contributes evidence
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Contributes evidence
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Primary evidence
Evidence topic
matched_outcome
Related evidence
Evidence topic
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Core evidence
The primary outcomes reported in this study.
Seaweed supplementation → Catalase activity change
Seaweed supplementation → Catalase activity change
Seaweed supplementation → Fasting Plasma Glucose (FPG)
Seaweed supplementation → Fasting Plasma Glucose (FPG)
Seaweed supplementation → Glutathione peroxidase (GPx)
Seaweed supplementation → Glutathione peroxidase (GPx)
Seaweed supplementation → High-density lipoprotein
Seaweed supplementation → High-density lipoprotein
Seaweed supplementation → Postprandial blood glucose
Seaweed supplementation → Postprandial blood glucose
Seaweed supplementation → Superoxide Dismutase (SOD)
Seaweed supplementation → Superoxide Dismutase (SOD)
Seaweed supplementation → Thiobarbituric acid reactive substances in erythrocytes
Seaweed supplementation → Thiobarbituric acid reactive substances in erythrocytes
Seaweed supplementation → Total cholesterol
Seaweed supplementation → Total cholesterol
Seaweed supplementation → Very-low-density lipoprotein cholesterol
Seaweed supplementation → Very-low-density lipoprotein cholesterol
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Relationships organized using the Dediabetes Evidence Intelligence™ framework.
This study contributes to evidence on Seaweed supplementation and Catalase activity change, Seaweed supplementation and Fasting Glucose.
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 Adipokine and Angiogenic Markers
Measures Adipokine and Angiogenic Markers as a key outcome.
All studies measuring Catalase activity change
Measures Catalase activity change as a key outcome.
All studies measuring Fasting Glucose
Measures Fasting Glucose as a key outcome.
All studies on Seaweed supplementation
Contributes to Seaweed supplementation evidence base.
Jump to pre-filtered views in Evidence Explorer.
1 results
1 results
1 results
1 results
1 results
Generated from the study's connected evidence using Evidence Intelligence™.
Seaweed supplementation appears to improve catalase activity change.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Catalase activity change
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Seaweed supplementation appears to improve fasting plasma glucose (FPG).
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Fasting Plasma Glucose (FPG)
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Seaweed supplementation appears to improve glutathione peroxidase (GPX).
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Glutathione peroxidase (GPx)
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Seaweed supplementation appears to improve high-density lipoprotein.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
High-density lipoprotein
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
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