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HOMA-IR

Homeostatic Model Assessment of Insulin Resistance · Insulin-Resistenz-Index

Stoffwechsel & GlukoseNüchtern erforderlich
Einheit:
unitless

HOMA-IR quantifies insulin resistance by assessing fasting insulin and glucose levels.

Reference Ranges

Reference
0.52.9unitless
0.5
1.9
2.9
LowNormalHigh
Reference
Optimal
Unit · unitless

Fasting is required. Values may vary by age, sex, and population.

Overview

Übersicht

HOMA-IR, or Homeostatic Model Assessment of Insulin Resistance, is a mathematical model used to estimate insulin resistance, a condition where cells in the body become less responsive to insulin. This marker is calculated using fasting blood glucose and insulin levels, providing a measure of how effectively the body utilizes insulin. Clinically, HOMA-IR is significant as it reflects insulin resistance, which is a key component of metabolic syndrome and is associated with conditions such as type 2 diabetes, obesity, and cardiovascular disease. Elevated HOMA-IR values indicate higher insulin resistance, which can lead to impaired glucose metabolism and increased risk of metabolic disorders. In the context of athletic performance, biohacking, or longevity, maintaining optimal insulin sensitivity is crucial for metabolic health, energy efficiency, and reducing the risk of age-related diseases. Insulin resistance can impair muscle glucose uptake, affecting performance and recovery. However, HOMA-IR values can be influenced by various factors, including acute stress, illness, or recent physical activity. Fasting is required for accurate measurement, and time of day may affect insulin levels. Researchers have found that lifestyle interventions, such as diet and exercise, can significantly impact HOMA-IR values, highlighting the importance of these factors in managing insulin resistance.

Klinische Bedeutung

Elevated HOMA-IR values indicate increased insulin resistance, which is associated with a higher risk of type 2 diabetes, metabolic syndrome, and cardiovascular disease. Reduced values suggest improved insulin sensitivity and metabolic health.

Dynamics

Trend Interpretation

Rising Values

Progressively rising HOMA-IR values suggest worsening insulin resistance. Retesting is recommended every 3-6 months if values are outside the optimal range.

Falling Values

Progressively falling HOMA-IR values indicate improving insulin sensitivity and metabolic health.

Re-test Interval

3-6 months if outside optimal range

Etiology

Causes — High & Low

Cause

Elevated Levels

  • Obesity
  • Sedentary lifestyle
  • High carbohydrate diet
  • Chronic stress
  • Polycystic ovary syndrome
  • Cushing's syndrome
Cause

Low Levels

  • Improved diet
  • Regular physical activity
  • Weight loss
  • Use of insulin-sensitizing medications
  • Fasting or caloric restriction
  • Improved sleep quality
Protocol

How to Optimize

Lever

Lifestyle

  • Increase physical activity
  • Reduce body weight
  • Manage stress
  • Improve sleep quality
Lever

Nutrition

  • Adopt a low-carbohydrate diet
  • Increase fiber intake
  • Consume healthy fats
  • Limit sugar intake
Lever

Supplementation

  • Omega-3 fatty acids
  • Magnesium
  • Berberine

Note:

Consult a healthcare provider before starting any new supplement regimen, especially if you have underlying health conditions.

Testing Guidelines

🍽️Fasting Required
Not Time-Sensitive

Test in the morning after an overnight fast for consistency.

Testing Frequency

Annually for individuals with risk factors for insulin resistance.

Interfering Factors

  • Recent intense exercise
  • Acute illness
  • Stress
  • Medications affecting insulin

Related Peptides & Hormones

Insulin

Directly measures

hormone or peptide

Open Research Questions

Current research suggests that the relationship between HOMA-IR and various psychiatric disorders, particularly in depression, remains debated, especially regarding reference ranges and the impact of confounding factors like age and sex. Emerging research directions include the exploration of dietary interventions, such as ketogenic diets, on HOMA-IR levels in psychiatric populations. However, clinical questions remain unanswered regarding the long-term implications of HOMA-IR changes on treatment outcomes and the specific metabolic subtypes of depression.

20 Research Publications

1,204

Total Citations

13

Human/RCT

4.6

Avg. Influence

2025

Latest

Sort
Filter
#01

Estrogen: a master regulator of bioenergetic systems in the brain and body.

ReviewInfluence15.0
475
Researchers studied the role of estrogen as a regulator of metabolic health in women. They found that estrogen helps protect against insulin resistance and type II diabetes, with its decline during menopause linked to metabolic dysfunction. The study suggests that monitoring peripheral metabolic changes could help identify women at risk for cognitive decline.
View on PubMed
#02

Insulin resistance in depression: A large meta-analysis of metabolic parameters and variation.

Meta-AnalysisInfluence1.0
134
This study examined the relationship between insulin resistance and depression. Researchers found that insulin levels and the HOMA-IR index were increased during acute depression, but not during remission. The findings suggest that assessing insulin resistance could be useful in diagnosing and selecting treatments for individuals with depression.
View on PubMed
#03

Ketogenic Diet Intervention on Metabolic and Psychiatric Health in Bipolar and Schizophrenia: A Pilot Trial.

HumanInfluence9.0
122
This pilot trial investigated the effects of a ketogenic diet on metabolic and psychiatric health in individuals with schizophrenia or bipolar disorder. Researchers observed a significant 27% decrease in HOMA-IR and improvements in metabolic health metrics, alongside reductions in psychiatric symptoms. The results indicate potential benefits of ketogenic dietary treatment for serious mental illness.
View on PubMed
#04

Association of Triglyceride-Glucose Index and Lung Health: A Population-Based Study.

Wu Tianshi David, et al. · Chest · 2021

HumanInfluence7.0
109
This population-based study explored the relationship between the triglyceride-glucose index (TyG) and lung health. Researchers found a moderate correlation between TyG and HOMA-IR, suggesting TyG could serve as a measure of metabolic dysfunction related to respiratory symptoms and chronic lung disease. The study indicates that TyG may be relevant for assessing lung health outcomes.

Key findings

  1. 01Higher TyG levels were linked to increased odds of cough, phlegm production, wheeze, and exertional dyspnea.
  2. 02TyG was associated with a higher risk of chronic bronchitis.
  3. 03The study suggests that TyG may serve as a useful measure of metabolic dysfunction related to lung health.
View on PubMed
#05

Benefits and Adverse Effects of Histidine Supplementation.

ReviewInfluence2.0
103
This review examined the benefits and adverse effects of histidine supplementation. Researchers observed that histidine intake was associated with decreased HOMA-IR and improved markers of glucose homeostasis. The findings suggest potential metabolic benefits of histidine, although further research is needed to clarify its effects.
View on PubMed
#06

The Triglyceride/HDL Ratio as a Surrogate Biomarker for Insulin Resistance.

ReviewInfluence3.0
65
This review assessed the triglyceride-to-HDL ratio as a surrogate biomarker for insulin resistance. Researchers found that the TG/HDL ratio correlates with HOMA-IR across diverse populations, suggesting it could serve as a simple and accessible marker for insulin resistance. The study emphasizes the need for further research on tailored cutoffs.
View on PubMed
#07

Calorie restriction reduces biomarkers of cellular senescence in humans.

Human
58
This study tested the effects of calorie restriction on biomarkers of cellular senescence. Researchers observed that moderate calorie restriction significantly reduced HOMA-IR and other senescence biomarkers over 12 and 24 months. The results support the link between dietary interventions and metabolic health improvements.
View on PubMed
#08

Obesity-Related Biomarkers Are Associated With Exercise Intolerance and HFpEF.

Ramirez Mariana F, et al. · Circulation. Heart failure · 2023

HumanInfluence2.0
34
This study examined the association between obesity-related biomarkers, including HOMA-IR, and heart failure with preserved ejection fraction (HFpEF). Researchers found that higher levels of HOMA-IR were associated with increased odds of HFpEF and impaired exercise capacity. The findings highlight the role of insulin resistance in cardiovascular outcomes related to obesity.

Key findings

  1. 01Researchers observed a connection between obesity-related biomarkers and impaired exercise capacity in patients with HFpEF.
  2. 02Specific pathways involving inflammation and adipokine signaling were identified as potential mechanisms linking obesity to heart failure.
  3. 03The study involved patients with chronic dyspnea and normal heart function, emphasizing the impact of obesity on exercise performance.
View on PubMed
#09

Serum Thrombospondin-2 Levels Are Closely Associated With the Severity of Metabolic Syndrome and Metabolic Associated Fatty Liver Disease.

Wu Xuerui, et al. · The Journal of clinical endocrinology and metabolism · 2022

HumanInfluence3.0
33
This research assessed the relationship between serum thrombospondin-2 (TSP2) levels and metabolic syndrome (MetS) severity. Researchers found that elevated TSP2 levels were significantly associated with MetS and correlated with HOMA-IR. The study suggests TSP2 could be a promising biomarker for identifying at-risk patients with metabolic complications.

Key findings

  1. 01Serum thrombospondin-2 levels were significantly higher in individuals with metabolic syndrome compared to those without.
  2. 02Elevated thrombospondin-2 levels were associated with increased severity of liver inflammation and damage.
  3. 03The protein effectively distinguished between more severe liver conditions and less severe forms in obese patients.
View on PubMed
#10

A variation in NOS1AP gene is associated with repaglinide efficacy on insulin resistance in type 2 diabetes of Chinese.

HumanInfluence3.0
29
This study explored the association between a genetic variant and the efficacy of repaglinide in treating insulin resistance in type 2 diabetes. Researchers found significant differences in HOMA-IR levels among different genotypes after treatment. The results indicate that genetic factors may influence treatment outcomes for insulin resistance.
View on PubMed

Clinical Trials (1)

1

Total Trials

200

Total Enrolled

Effectiveness of the Personalized Responses & Integrated Systems for Metabolism (PRISM) on Improving Insulin Resistance Among Adults With Metabolic Syndrome: A Pilot Study (PRISM-I)

NCT07710274NOT_YET_RECRUITING
Sponsor

National University Health System, Singapore

Enrollment

200

Started

2026

Primary outcome

Homeostatic Model Assessment of Insulin Resistance (HOMA-IR)

Metabolic Syndrome (MetS)

Publication Trend

Research publications about HOMA-IR over time

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