triglycerides
CardiologyBlood sampleResults 24 hrsFasting required
Triglycerides
Triglycerides are a type of fat in your blood that your body uses for energy. People get this test because high levels are linked with heart disease and can signal issues with diet or metabolism.
Sample
Blood
Results
24 hrs
Fasting
Required
Follow-up
Optional add-on
What this test detects
Triglycerides
Enzymatic colorimetry · serum
Quantitative · mg/dL
When to get this test
Heart disease risk
High triglycerides can add to cardiovascular risk, especially with other lipid problems.
Metabolic health check
Levels can be affected by diet, weight, alcohol, and blood sugar control.
Part of a lipid panel
Usually measured together with cholesterol for a complete lipid assessment.
How to prepare
01
Fast for 9–12 hours before the blood draw; water is allowed.
Common questions
Why is fasting important for this test?
Triglycerides rise after eating, so a 9 to 12 hour fast gives a much more accurate reading.
What raises triglyceride levels?
Diets high in sugar and refined carbs, excess alcohol, and being overweight can all push levels up.