The NMR (Nuclear Magnetic Resonance) Lipoprofile is an advanced lipid panel that uses NMR spectroscopy to quantify lipoprotein particle number, size, and subclass concentrations, providing information beyond standard cholesterol measurements. It measures LDL particle number (LDL-P), HDL particle number (HDL-P), and their respective sizes, as well as VLDL and IDL subfractions. This test is particularly valuable in patients whose standard lipid panels may underestimate cardiovascular risk, such as those with metabolic syndrome, insulin resistance, or diabetes. Lipoproteins are macromolecular complexes that transport cholesterol and triglycerides through the bloodstream; their number, size, and composition are determined by genetic factors, diet, metabolic health, and hormonal status. LDL particle number is considered a more direct measure of atherogenic burden than LDL cholesterol concentration, as each LDL particle can independently interact with the arterial wall regardless of its cholesterol content. HDL particle number and size reflect the efficiency of reverse cholesterol transport, and small, dense LDL particles are associated with greater atherogenicity due to their prolonged circulation time and increased susceptibility to oxidation.
The NMR Lipoprofile is a specialized blood test that counts the actual number and measures the size of cholesterol-carrying particles in your blood, rather than just measuring the amount of cholesterol inside them. Think of it like counting the number of delivery trucks on the road versus just measuring how much cargo they carry — more trucks mean more chances for cholesterol to be deposited in artery walls. This test can reveal hidden cardiovascular risk in people whose standard cholesterol tests look normal, especially those with diabetes, prediabetes, or belly fat. Small, dense LDL particles are considered more harmful than large, fluffy ones. Your doctor uses this information alongside your other health data to get a more complete picture of your heart health.
When elevated: Elevated LDL particle number (LDL-P) and/or predominance of small, dense LDL particles are associated with increased risk of atherosclerotic cardiovascular disease, even when LDL cholesterol appears within normal range. High VLDL particle concentration may indicate hypertriglyceridemia and insulin resistance. Discordance where LDL-P is high but LDL-C is normal (common in metabolic syndrome) may represent underestimated cardiovascular risk on standard panels. When low: Low LDL particle number generally reflects reduced atherogenic burden and is associated with lower cardiovascular risk. Very low HDL particle number may indicate impaired reverse cholesterol transport and could be associated with increased cardiovascular risk despite other favorable lipid parameters. Extremely low LDL-P may occasionally be seen in malnutrition, severe liver disease, or hyperthyroidism.
NMR Lipoprofile is moderately relevant to endurance and strength athletes who want to optimize cardiovascular health alongside performance. Regular intense training typically improves lipoprotein profiles, but particle number and size offer a more detailed picture of your actual atherogenic burden than standard cholesterol—useful for monitoring metabolic adaptation to training volume and dietary changes.
Turnaround Time
9 days (up to 13 days)
Fasting Required
No
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Visit a lab service center near you for a quick blood draw (or book at-home phlebotomy where available).
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Your price
$37.90$115
3.0× less than retail
Versus the typical direct-to-consumer retail price for this test (illustrative — consumer prices vary by provider and region).
$37.90
$56.00
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