- 01VLDL cholesterol is a calculated proxy for triglycerides, not a separate measurement
On a standard lipid panel, no one measures your VLDL. The lab measures your triglycerides and divides by 5, then prints that as VLDL cholesterol, so the number tracks your triglycerides almost exactly and you move it by moving them. It still matters, because VLDL and its leftover 'remnant' particles are artery-clogging, one reason high triglycerides raise heart risk. You don't chase it on its own, though: non-HDL cholesterol (total cholesterol minus HDL) already folds VLDL into a single artery-clogging number, so read your VLDL as a hint about triglycerides and act on triglycerides and non-HDL with your clinician.
VLDL cholesterol is the cholesterol carried in very-low-density lipoprotein (VLDL), the particle your liver builds to move triglycerides, the main fat in your bloodstream. On almost every standard lipid panel, that VLDL number was never measured in a lab. It was calculated by taking your triglycerides and dividing by 5. So VLDL cholesterol is less a separate test than a restatement of your triglycerides, and it earns its place on the report because VLDL and the leftover particles it becomes are artery-clogging. 1 2 3
Where an example VLDL falls (estimated, not measured)mg/dL
What is VLDL cholesterol?
A lipoprotein is a protein-and-fat package that ferries fat through your blood, because fat won't dissolve in water. VLDL is the package your liver loads with triglycerides and sends out to your tissues for energy or storage. The cholesterol riding along in those packages is what your report labels VLDL cholesterol. It is a small share of your total: the liver makes VLDL mainly to move fat, not to deliver cholesterol, so VLDL carries far less cholesterol than LDL does. 2
How the VLDL number on your report is made
What is a normal VLDL level?
A usual VLDL cholesterol is about 2 to 30 mg/dL. 2 Because it is triglycerides divided by 5, each VLDL tier lines up with a triglyceride tier. There is no separate 'VLDL goal' in the guidelines; the categories below are really the standard triglyceride categories, converted.
| Estimated VLDL-C (mg/dL) | Triglycerides it implies (mg/dL) | Tier |
|---|---|---|
| Under 30 | Under 150 | Normal |
| 30 to 39 | 150 to 199 | Borderline high |
| 40 to 99 | 200 to 499 | High |
| 100 or above | 500 or above | Very high (get looked at) |
The triglyceride categories follow the NCEP ATP III thresholds. 4 The VLDL column is those same triglyceride values divided by 5. 1
What does a high VLDL mean?
A high VLDL means high triglycerides, because one is calculated from the other. So a raised VLDL is not a distinct problem to solve; it is a pointer telling you your triglycerides are up. High triglycerides are commonly linked to things like excess refined carbohydrate and alcohol, insulin resistance, an underactive thyroid, or genetics, which is why the useful next step is to look at the triglyceride number and the whole panel with a clinician rather than the VLDL line alone.
VLDL vs LDL: what's the difference?
VLDL and LDL are both artery-clogging (that is, they can build the fatty plaque that narrows arteries), but they do different jobs and sit at very different scales. LDL is the main cholesterol-delivery particle and the primary target when lowering heart risk; VLDL is the triglyceride-carrier and a small slice of the total. LDL has its own page: see LDL cholesterol.
| VLDL cholesterol | LDL cholesterol | |
|---|---|---|
| What it mainly carries | Triglycerides (the liver's fat-shipping particle) | Cholesterol delivered to tissues (the main plaque-building particle) |
| How a standard panel gets it | Estimated: triglycerides divided by 5 | Measured directly, or estimated by the Friedewald calculation |
| Typical share of total cholesterol | A small slice (about 2 to 30 mg/dL) | The largest slice (often 100 mg/dL or more) |
| What lowers it | Lowering triglycerides | Lowering LDL |
| When it matters most | When triglycerides are high | Almost always; the primary lipid target |
Remnant cholesterol: why a triglyceride number earns a place on your report
Once VLDL drops its triglycerides off at your tissues, the particle shrinks into a smaller, cholesterol-rich leftover. The cholesterol in those leftovers, together with the cholesterol still in VLDL, is called remnant cholesterol. Genetic studies by Varbo and Nordestgaard found that higher remnant cholesterol is a causal driver of ischemic heart disease (reduced blood flow to the heart muscle), independent of LDL. 3 That is the real reason a triglyceride-derived number is worth watching.
The 2018 AHA/ACC cholesterol guideline treats non-HDL cholesterol, which adds together the cholesterol carried in both LDL and VLDL, as a measure of overall artery-clogging burden. In plain terms, LDL and VLDL cholesterol counted together do more artery damage than either one alone. 6
Non-HDL cholesterol is one subtraction, total cholesterol minus HDL, and it counts every particle that can build plaque, including the cholesterol in VLDL.
Because non-HDL cholesterol already includes VLDL cholesterol in its running total, VLDL is a detail inside that bigger artery-clogging (atherogenic) number, so reading your non-HDL captures it for you.
How do you lower VLDL?
There is no separate lever for VLDL. Because it is your triglycerides divided by 5, VLDL falls when your triglycerides fall. The levers that move triglycerides, and the evidence behind them, live on the triglycerides page. Any medication decision belongs with your clinician, who will weigh your full panel and overall heart risk, not the VLDL line on its own.
How VLDL is tested (and a note on the estimate)
VLDL cholesterol is not a test you order on its own. It comes with a standard lipid panel, calculated from the triglycerides that panel measures, so there is no extra cost and no separate blood draw. Because triglycerides rise for hours after a meal, a fasting sample (usually 9 to 12 hours) gives a steadier VLDL estimate, though many labs now report non-fasting panels; ask your clinician which yours was.
The divide-by-5 estimate, and the Friedewald LDL calculation that relies on it, becomes unreliable once triglycerides climb above about 400 mg/dL. 1 6 A newer approach, the Martin-Hopkins method, estimates LDL and VLDL more accurately than the fixed divide-by-5, especially when triglycerides are high. 5 If your triglycerides are very high, your reported VLDL and LDL may be rough, which is another reason to read the whole panel with a clinician. For the full report in context, see the guide to reading your lipid panel.
Link · MedlinePlus (NIH / U.S. National Library of Medicine)VLDL Cholesterol TestPlain-language overview of what VLDL cholesterol is, why it isn't measured directly, and how the triglyceride-based estimate is used.medlineplus.gov
Citations
- Friedewald WT, Levy RI, Fredrickson DS. Estimation of the concentration of low-density lipoprotein cholesterol in plasma, without use of the preparative ultracentrifuge. Clin Chem 1972;18(6):499-502.
- MedlinePlus (NIH / U.S. National Library of Medicine). VLDL Cholesterol Test.
- Varbo A, Benn M, Tybjaerg-Hansen A, Jorgensen AB, Frikke-Schmidt R, Nordestgaard BG. Remnant cholesterol as a causal risk factor for ischemic heart disease. J Am Coll Cardiol 2013;61(4):427-436.
- NCEP ATP III Final Report (NIH / NHLBI Expert Panel on Detection, Evaluation, and Treatment of High Blood Cholesterol in Adults). Circulation 2002;106(25):3143-3421.
- Martin SS, Blaha MJ, Elshazly MB, et al. Comparison of a novel method vs the Friedewald equation for estimating low-density lipoprotein cholesterol levels. JAMA 2013;310(19):2061-2068.
- Grundy SM, Stone NJ, Bailey AL, et al. 2018 AHA/ACC/Multisociety Guideline on the Management of Blood Cholesterol. Circulation 2019;139(25):e1082-e1143.
Educational context only, not medical advice or a diagnosis. Always discuss your results with a clinician.