
Key Benefits
- Measure your blood fat level to assess energy storage and cardiometabolic risk.
- Spot harmful fat patterns tied to heart disease, stroke, and metabolic syndrome.
- Clarify insulin resistance, prediabetes, and fatty liver risk from elevated triglycerides.
- Flag dangerously high levels that raise pancreatitis risk, especially above 500 mg/dL.
- Explain sudden abdominal pain or skin bumps when triglycerides become extremely high.
- Guide personalized changes in diet, weight, alcohol, and medications like fibrates or omega-3s.
- Protect pregnancy by monitoring rising levels common in late gestation.
- Track progress and interpret alongside HDL, non-HDL or ApoB, and A1c.
What is Triglycerides?
Triglycerides are the body’s packaged form of fat: three fatty acids attached to a glycerol backbone (triacylglycerol). They come from two sources. After a meal, the intestine assembles dietary fat into triglycerides and loads them into transport particles called chylomicrons. The liver also makes triglycerides from incoming fatty acids and excess carbohydrate (de novo lipogenesis) and exports them in very‑low‑density lipoproteins (VLDL). In the bloodstream, the “triglycerides” biomarker refers to the amount of these molecules being carried inside lipoproteins at that time.
Triglycerides are the body’s main energy reserve and delivery cargo. Adipose tissue stores them in fat cells (adipocytes) and releases fatty acids during fasting for use by muscle and other organs. In the circulation, an enzyme on capillaries (lipoprotein lipase) breaks down triglycerides in chylomicrons and VLDL so tissues can take up the released fatty acids and glycerol. Measured blood triglycerides therefore reflect how much energy-rich fat is being transported from the gut and liver to tissues, shaped by recent eating and by insulin-regulated metabolism.
Why is Triglycerides important?
Triglycerides are the body’s main circulating form of stored energy—fat packaged in chylomicrons and VLDL that move fuel from the gut and liver to muscles and adipose tissue. They sit at the crossroads of nutrition, liver function, insulin signaling, and vascular health, so they inform risk for fatty liver, pancreatitis, and cardiovascular disease.
Most labs consider values below about 150 in the healthy range, with risk rising above that and becoming marked above 200. Levels at or toward the lower end of normal are generally most favorable. Very high levels, especially above 500, can trigger acute pancreatitis.
When values are unusually low, they often reflect reduced fat availability or transport: undernutrition, malabsorption, hyperthyroidism, or rare apoB-related disorders can lower VLDL and chylomicron formation. People may notice weight loss, fatigue, or signs of fat‑soluble vitamin deficiency (vision changes, easy bruising, neuropathy). Children may show poor growth. In pregnancy, triglycerides typically rise; unexpectedly low values can be atypical.
When values are elevated, the physiology points to excess hepatic VLDL production and delayed clearance—common in insulin resistance, metabolic syndrome, hypothyroidism, kidney disease, or genetic hypertriglyceridemias. Most feel no symptoms, but very high levels can cause pancreatitis (severe abdominal pain), eruptive xanthomas, and lipemia retinalis, and are linked to fatty liver and atherogenic dyslipidemia. Men often run higher earlier in life; levels rise in women after menopause. Teens with obesity frequently show early elevations. Pregnancy naturally raises triglycerides and can unmask severe genetic forms.
Big picture: triglycerides integrate how you handle carbohydrates and fats, interact with HDL and LDL particle quality, mirror liver and pancreatic stress, and help forecast long‑term risks for atherosclerotic disease and pancreatitis.
What Insights Will I Get?
Triglycerides measure neutral fats in blood carried in VLDL and chylomicrons. They are the body’s portable fuel, moving fatty acids from gut and liver to tissues. The level reflects production, storage, and clearance—liver output, adipose buffering, lipoprotein lipase, insulin signaling—and relates to metabolic health and pancreatitis risk when very high.
Low values usually reflect reduced liver VLDL output or rapid clearance—seen with low energy intake, fat malabsorption, overactive thyroid, chronic illness, or rare low‑ApoB states. Effects can include limited energy reserves and, with malabsorption, fat‑soluble vitamin deficits. Children often run lower than adults.
Being in range suggests balanced energy trafficking: steady hepatic packaging, responsive adipose storage and release, and efficient lipoprotein lipase after meals. This pattern aligns with good insulin sensitivity, low remnant cholesterol burden, and stable cardiovascular risk. Optimal typically sits toward the lower end of the reference range.
High values usually reflect excess production and/or impaired clearance. Insulin resistance and visceral adiposity raise liver VLDL output, while reduced lipoprotein lipase slows disposal. Contributors include too little thyroid hormone, alcohol, pregnancy, and some medications. Genetic disorders can produce very high levels (chylomicronemia). System effects include fatty liver, more atherogenic remnants (ApoB), and pancreatitis risk at very high levels.
Notes: Recent meals elevate triglycerides; nonfasting values run higher and vary. Acute illness and alcohol can transiently raise results. Levels are generally higher in men and rise with age and after menopause. Pregnancy produces a physiologic rise, especially late.