LDL Pattern
ResearchedLDL Particle Pattern (LDL Subfractionation)
Cardiovascular • Last tested 2026-01-28
What It Measures
This test measures the predominant size and density distribution of your LDL cholesterol particles. Rather than just measuring total LDL cholesterol, it determines whether your LDL particles are mostly large and buoyant (Pattern A) or small and dense (Pattern B). Some labs report this as a continuous measurement of peak LDL particle diameter in nanometers (nm), while others report it categorically as Pattern A, Pattern B, or intermediate (Pattern AB).
LDL Pattern classifies low-density lipoprotein particles by size and density into Pattern A (large, buoyant) or Pattern B (small, dense). Small dense LDL particles are more atherogenic because they penetrate arterial walls more easily, are more susceptible to oxidation, and have a longer circulating half-life. This test provides critical cardiovascular risk information beyond standard LDL cholesterol levels.
Current Value
What High Means
A predominance of small, dense LDL particles (Pattern B, or peak particle size below ~25.5 nm) indicates significantly increased cardiovascular risk — up to 3-fold higher risk of coronary heart disease. Pattern B is strongly associated with insulin resistance, metabolic syndrome, type 2 diabetes, elevated triglycerides, low HDL cholesterol, and visceral obesity. Small dense LDL particles are more easily oxidized, more readily cross the endothelial barrier, and bind more avidly to arterial proteoglycans, accelerating plaque formation.
Possible Symptoms
Small dense LDL (Pattern B) itself does not cause direct symptoms. It is a silent risk factor. Associated conditions may present with: chest pain or angina (if atherosclerosis is advanced), fatigue, shortness of breath on exertion, signs of metabolic syndrome (abdominal obesity, elevated blood pressure, elevated fasting glucose), and xanthomas in severe dyslipidemia.
What Low Means
Having predominantly large, buoyant LDL particles (Pattern A, peak particle size above ~25.5 nm) is associated with lower cardiovascular risk. However, Pattern A alone does not eliminate risk — very high concentrations of even large LDL particles can still be atherogenic. Pattern A is generally associated with better insulin sensitivity, lower triglycerides, and higher HDL cholesterol levels.
Possible Symptoms
Pattern A (large buoyant LDL) is the desirable state and is not associated with adverse symptoms. No clinical symptoms are attributed to having predominantly large LDL particles.
Risk Factors
Coronary artery disease, atherosclerosis, myocardial infarction, stroke, metabolic syndrome, insulin resistance, type 2 diabetes, hypertriglyceridemia, low HDL cholesterol, visceral adiposity, non-alcoholic fatty liver disease (NAFLD), familial combined hyperlipidemia, polycystic ovary syndrome (PCOS).
Actionable Advice
Supplements
- •Omega-3 fatty acids (EPA/DHA)
- •Niacin (vitamin B3)
- •Berberine
- •Red yeast rice
- •Citrus bergamot
- •Plant sterols/stanols
- •Psyllium fiber
- •Curcumin
- •Coenzyme Q10
- •Magnesium
Diet & Lifestyle
- •Reduce refined carbohydrates and added sugars — these are the primary dietary drivers of small dense LDL
- •Increase dietary fiber intake (30-40g/day) from vegetables, legumes, and whole grains
- •Exercise regularly — both aerobic and resistance training shift LDL toward Pattern A
- •Maintain a healthy weight, especially reducing visceral fat
- •Limit alcohol consumption
- •Replace refined carbs with healthy fats (olive oil, avocados, nuts) — a Mediterranean-style diet shifts LDL toward Pattern A
- •Reduce or eliminate trans fats completely
- •Prioritize sleep quality (7-9 hours) as poor sleep worsens insulin resistance and LDL pattern
- •Consider time-restricted eating or intermittent fasting to improve insulin sensitivity
- •Manage stress through meditation, yoga, or other relaxation techniques
Ask AI
Ask questions about your LDL Pattern results, trends, and what you can do to optimize.
Only one data point — trend chart will appear after multiple tests.