Lab Tests

Triglycerides

The most common type of fat in your blood. High triglycerides are one of the earliest warning signs of metabolic trouble — and one of the easiest to fix.

Standard lipid panel Heart & metabolic 4 min read

Triglycerides are fats your body makes from excess calories — especially from carbohydrates and alcohol. They're stored in fat cells and released as energy between meals. High levels are strongly linked to insulin resistance, heart disease, and metabolic syndrome.

Optimal range
< 100 mg/dL (fasting)
Why it matters
Heart disease, insulin resistance, pancreatitis
How often to test
Annually (part of lipid panel)
Fasting required?
Yes — 9–12 hours fasting
Dive deeper into the research

What is the triglycerides test?

When you eat more calories than you need — especially from carbs, sugar, or alcohol — your liver packages the excess into triglycerides and sends them into your blood. Between meals, hormones release triglycerides from fat cells to provide energy.

A fasting triglyceride test measures how much of this fat is circulating in your blood after 9–12 hours without food. It's part of every standard lipid panel in India and is one of the most underrated markers for metabolic health.

Here's the key insight: triglycerides respond to diet faster than almost any other blood marker. You can often see a dramatic improvement in just 4–6 weeks of dietary changes.

What your number means

Triglycerides (mg/dL)Category
< 80Optimal — excellent metabolic health
80–100Good — healthy range
100–150Borderline — worth improving
150–500High — increased cardiovascular and metabolic risk
> 500Very high — pancreatitis risk, needs immediate attention
The TG:HDL ratio

Your triglyceride-to-HDL ratio (in mg/dL) is one of the best predictors of insulin resistance and small dense LDL particles. Aim for a ratio below 2:1. Above 3:1 strongly suggests insulin resistance even if your fasting glucose looks normal.

How to lower your triglycerides

See if your diet changes are actually working

eterni tracks your triglycerides alongside HbA1c, insulin, and other metabolic markers — so you see the full picture over time.

Get early access

Frequently Asked Questions

What is a good triglyceride level?

Below 100 mg/dL is optimal for cardiovascular health. Standard lab ranges say under 150 mg/dL is "normal," but longevity-focused practitioners prefer under 100. The triglyceride-to-HDL ratio is even more informative — ideally below 2:1 (in mg/dL).

What causes high triglycerides?

The biggest driver is excess carbohydrates, especially refined carbs and sugar. Your liver converts unused carbs into triglycerides. Alcohol, lack of exercise, insulin resistance, and certain medications (like beta-blockers and steroids) also raise triglycerides. Genetics plays a role in some cases.

Can omega-3 lower triglycerides?

Yes — high-dose omega-3 (2–4 g EPA+DHA daily) can lower triglycerides by 20–30%. Prescription-strength omega-3 (like icosapent ethyl) has shown even greater reductions. This is one of the most well-established effects of fish oil supplementation.

Should I worry about triglycerides if my cholesterol is normal?

Yes. High triglycerides are an independent risk factor for cardiovascular disease and are strongly associated with insulin resistance and metabolic syndrome. You can have normal LDL cholesterol but still be at elevated risk if your triglycerides are high and HDL is low.

Research & Science

Why triglycerides matter beyond heart disease

Elevated triglycerides are one of the five criteria for metabolic syndrome (alongside high waist circumference, low HDL, high blood pressure, and high fasting glucose). In India, metabolic syndrome affects an estimated 30–40% of urban adults — and triglycerides are often the first marker to become abnormal.

High triglycerides also drive the formation of small, dense LDL particles — the type most associated with atherosclerosis. Your standard LDL number may look "normal" while hiding a predominance of these atherogenic particles.

India-specific considerations

The traditional Indian diet — high in rice, wheat flour, sugar, and vegetable oils — tends to be carb-heavy, which directly drives triglyceride production. Urban Indians frequently show the pattern of high triglycerides + low HDL even at normal body weight, a phenotype sometimes called "thin-fat" or metabolically obese normal weight.

Connected supplements & biomarkers

Know what's working. Know what's not.

eterni connects your lab results, supplements, and retests — so you can see the trajectory, not just a snapshot.

Join the waitlist

Related