What factors are involved in metabolic syndrome?
Generally, a large waist circumference, high triglycerides, low HDL Cholesterol, high blood pressureand high fastingblood sugarare the five factors considered. Depending on the criteria, if three or more of these are present, it is diagnosed as metabolic syndrome.
Waist circumference criteria vary by population, and Korean standards are used within Korea. Cases where these values are being treated with medication may also be included in the evaluation.
Why do these factors appear together?
Abdominal Visceral fatobesity, insulin resistance, and lack of physical activity can link several factors. Genetics, age, menopause, sleep issues, and certain medications also contribute to the risk.
A single cause or hormone does not explain all the factors.
Can it be detected even without symptoms?
Most of the components do not have distinct symptoms. Other than waist circumference, blood pressure measurement and blood tests are required. If blood sugar becomes very high, thirst, polyuria, and fatigue may occur, but there is no need to wait for symptoms to get tested.
Check your fasting blood glucose, triglycerides, HDL, and blood pressure all at once in your health checkup results.
Is this the same as insulin resistance?
Insulin resistance is a physiological state where muscles, fat, and the liver do not respond sufficiently to insulin signals. Metabolic syndrome is a combination of actually measurable risk factors. While the two are closely related, they are not the same diagnosis.
In routine clinical practice, metabolic syndrome factors can be evaluated without directly measuring insulin resistance.
How is it managed?
Manage weight and waist circumference through diet, aerobic and strength activities, sleep, and smoking cessation. Simultaneously, check if blood pressure, blood glucose, and lipids each meet the criteria for medication treatment.
Do not stop tracking other factors just because one value has improved. Regularly compare tests conducted under the same conditions.
Why do diagnostic criteria differ slightly between institutions?
Metabolic syndrome is a cluster that looks at whether several items, such as abdominal obesity, blood pressure, triglycerides, HDL cholesterol, and fasting blood glucose, appear together. Since waist circumference standards or mandatory conditions may vary depending on the institution and population group, you should check which criteria were applied before simply counting the numbers on the test sheet.
In Korea, waist circumference standards tailored for Asians and Koreans are often used. If you are controlling blood pressure, blood glucose, or lipids with medication, refer to the criteria documents to see if those are also included as risk factors.
Under what conditions should tests be compared?
Fasting blood glucose and triglycerides can be affected by fasting status, recent alcohol consumption or meals, and acute illnesses. Waist circumference also varies depending on the measurement location, breathing, and clothing. Using the same laboratory, similar fasting conditions, and the same waist measurement method makes it easier to read trends of change.
If a borderline value appears once, check the necessity for retesting and other risk factors rather than immediately labeling the condition. Conversely, even if values appear normal due to medication, the previous diagnosis and the fact of treatment do not disappear.
Is metabolic syndrome the same as a risk score?
Whether metabolic syndrome is present is a signal that the risk of cardiovascular disease diabetes may be high, but it is not a score that calculates an individual's exact probability of occurrence. Factors not included in the criteria, such as smoking, age, family history, and existing cardiovascular disease, are also important for actual risk.
Do not view it simply as two categories of 'diagnosed' and 'not diagnosed'; check the level and long-term trend of each of the five factors. Even if values are below the borderline, if they have been worsening over several years, it provides a basis for adjusting lifestyle and testing plans.
What should be placed in one table when tracking?
Organize waist circumference, weight, blood pressure, fasting blood glucose or HbA1c, triglycerides, and HDL by date in one table. Marking the dates when medication was started or changed, fasting status, and major lifestyle changes allows for a more accurate interpretation of value changes.
Do not just reduce weight without checking other indicators, and do not stop tracking just because one test result improved. Set separate goals and retest intervals for each item with your healthcare provider.
Metabolic syndrome is not a single disease name or symptom
It refers to a state where several risk factors, among abdominal obesity, blood pressure, fasting blood glucose, triglycerides, and HDL cholesterol, appear together. Since the applied criteria and cutoff values may vary by guideline and population group, do not self-diagnose using a single online table. Each item is also affected by measurement conditions and medications taken.
Because it is often asymptomatic, it cannot be ruled out based solely on the feeling of waist circumference or weight. Conversely, even if the number of criteria items is not met, individual abnormalities in blood pressure, blood glucose, or lipids may still require management.
Read the result sheet as a trend by item
View your waist circumference, home blood pressure, fasting blood glucose or HbA1c, triglycerides, and HDL on the same date axis. Recording your diet, activity, sleep, alcohol, and smoking along with weight changes makes it easier to identify which behaviors affect multiple items simultaneously.
Do not wait to record your lifestyle management if you suspect chest pain, shortness of breath, neurological symptoms, or very high blood pressure or blood glucose. If you are already taking prescribed medication, please review them regularly with your medical provider, as values and dosages may change according to weight loss and dietary changes.
If I take multiple medications, does that mean I failed at lifestyle management?
Depending on the level of risk and accompanying conditions, medication may be necessary for each component of metabolic syndrome. Using blood pressure, lipid, or blood glucose medications is not a sign of lack of willpower, and lifestyle changes and medication are not competing alternatives that replace one another.
Since values and medication responses can change as weight and diet change, do not skip or stop medication arbitrarily. Showing a single medical provider your full list of prescriptions and supplements, along with your home blood pressure and blood glucose records, makes it easier to review overlaps, interactions, and the timing for adjustments.
If only my waist circumference improves, is metabolic syndrome resolved?
While a reduction in waist circumference is a useful clue regarding changes in abdominal fat, blood pressure, fasting blood glucose, triglycerides, and HDL do not all change at the same rate. Whether diagnostic factors have dropped below the threshold must be confirmed through measurements and tests conducted under the same conditions for each.
Conversely, blood pressure, blood glucose, or lipids may improve through activity, diet, and medication even if weight change is minimal. Rather than using waist circumference alone as a measure of success, track the current and previous values of multiple items and your medications in one table.
Related Terms
Metabolic Syndrome: It becomes clearer when viewed with these terms
Insulin resistance is a condition where muscle, fat, and liver cells do not respond sufficiently to insulin signals. The pancreas may compensate by producing more insulin, but over time, if blood sugar levels rise, it can lead to prediabetes or type 2 diabetes.
→ Body Composition · Measurement Waist circumferenceWaist circumference is a simple anthropometric indicator related to abdominal fat distribution. For Korean adults, abdominal obesity is defined as 90cm or more for men and 85cm or more for women; trends can be compared if measured at the same location and under the same breathing conditions.
→ Body Composition · Measurement Visceral fatVisceral fat is fat that accumulates around the organs within the abdominal cavity. Its location differs from subcutaneous fat under the skin and is more closely related to the risk of metabolic abnormalities, but the visceral fat grade on home body composition devices is not a direct imaging measurement.
→ Comorbidities · Tests PrediabetesPrediabetes is a state where blood sugar levels are higher than the normal range but have not yet reached the diagnostic criteria for diabetes. It is often asymptomatic and is confirmed through fasting blood glucose, HbA1c, or an oral glucose tolerance test.
→ Comorbidities · Tests Metabolic dysfunction-associated steatotic liver disease (MASLD)Metabolic dysfunction-associated steatotic liver disease (MASLD) is a fatty liver disease associated with the accumulation of fat in the liver along with obesity, type 2 diabetes, or other metabolic risks. It was previously widely known as non-alcoholic fatty liver disease (NAFLD), and the presence of inflammation and fibrosis is important.
→Questions
Frequently Asked Questions about Metabolic Syndrome
Is metabolic syndrome the same as diabetes?
They are not the same disease. Abnormal blood glucose is one of the components, and one can have metabolic syndrome through a combination of other risk factors even without having diabetes.
Is it okay if I have no symptoms?
High blood pressure, high triglycerides, and low HDL often have no symptoms. You must confirm your status through health screening values and waist circumference rather than symptoms.
Will everything return to normal if I only lose weight?
While weight and waist circumference reduction can help multiple factors, genetics, medication, and other diseases also play a role. Each value should be tracked separately, and necessary treatment should be received.
Can lean people also develop metabolic syndrome?
Yes, it is possible. Abdominal fat and abnormalities in blood pressure, blood glucose, and lipids can occur even with a normal BMI, so it cannot be ruled out based on body type alone.
Medical professional who reviewed this text
Choi Yeon-seung
Chief Director of Baekrokdam Korean Medicine ClinicWe have reviewed the 5 risk factors of metabolic syndrome, its asymptomatic nature, and the distinction and integrated management of insulin resistance. During medical evaluations, we check not only the values but also actual symptoms, diet, sleep, and activity.
- Graduated from Kyung Hee University College of Korean Medicine
- Practicing Korean medicine since 2010
- Specializing in constitution improvement and weight loss herbal medicine
- Content Authoring
- Baekrokdam Korean Medicine Clinic
- Content Reviewed by
- Dr. Choi Yeon-seung, KMD
- Review Scope
- The 5 risk factors of metabolic syndrome, its asymptomatic nature, and the distinction and integrated management of insulin resistance
- Last Reviewed
- August 23, 2026
This page provides general health information and does not replace individual diagnosis or prescription.
Source
Supporting Evidence
- Metabolic Syndrome · What Is It ↗ National Heart Lung and Blood Institute
- Metabolic Syndrome · Diagnosis ↗ National Heart Lung and Blood Institute
- Korean Society for the Study of Obesity Obesity Practice Guidelines 2022 8th Edition Summary ↗ Korean Society for the Study of Obesity