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Blood HealthMarch 29, 2026 · 7 min read

Cholesterol Levels Explained: What Your Numbers Actually Mean

Your doctor says your cholesterol is “a little high.” But what does that actually mean? Here's a plain-English guide to every number on your lipid panel — including the one marker most doctors aren't testing yet.

What Is Cholesterol, Actually?

Cholesterol is a waxy substance your body needs to build cells, make hormones, and produce vitamin D. Your liver makes all the cholesterol you need. The problem starts when too much of it — specifically LDL particles — accumulates in your artery walls, forming plaque.

A standard lipid panel measures Total Cholesterol, LDL, HDL, and Triglycerides. But the most predictive marker — ApoB — is usually not included unless you ask for it.

Your Lipid Panel, Decoded

Marker
Optimal
Borderline
High Risk
Total Cholesterol
< 200 mg/dL
200–239 mg/dL
≥ 240 mg/dL
💡 A rough overview number. Less useful alone — the LDL/HDL breakdown matters more.
LDL ("Bad" Cholesterol)
< 100 mg/dL
100–159 mg/dL
≥ 160 mg/dL
💡 The main driver of plaque buildup. Lower is better for most people. Below 70 if you have heart disease.
HDL ("Good" Cholesterol)
> 60 mg/dL
40–60 mg/dL
< 40 mg/dL (low = bad)
💡 Carries cholesterol away from arteries. Exercise, olive oil, and moderate alcohol raise it. Low HDL is an independent risk factor.
Triglycerides
< 100 mg/dL
100–149 mg/dL
≥ 150 mg/dL
💡 Reflects recent diet more than genetics. High triglycerides + low HDL = metabolic syndrome pattern. Cut sugar and refined carbs.
VLDL
< 20 mg/dL
20–30 mg/dL
> 30 mg/dL
💡 Carries triglycerides. High VLDL usually tracks with high triglycerides. Same dietary fixes apply.
ApoB
< 80 mg/dL
80–120 mg/dL
> 120 mg/dL
💡 The marker your doctor probably isn't testing — but should be. Counts the actual number of atherogenic particles. Better predictor than LDL alone.

Why ApoB Is the Marker That Actually Matters

LDL cholesterol measures the amount of cholesterol inside LDL particles. ApoB counts the number of particles themselves. This matters because it's the particles that penetrate and damage artery walls — not the cholesterol riding inside them.

Two people can have identical LDL of 130 mg/dL but completely different cardiovascular risk. Person A might have a few large, buoyant LDL particles (lower risk). Person B might have many small, dense particles (higher risk). ApoB reveals this difference. LDL alone cannot.

Leading cardiologists like Peter Attia and Allan Sniderman now consider ApoB the single best predictor of cardiovascular disease. Ask your doctor to add it to your next panel — it's a simple blood draw.

How to Improve Your Numbers Naturally

To lower LDL:

  • Reduce saturated fat (red meat, butter, cheese) — replace with olive oil, avocado, nuts
  • Add 10g+ soluble fiber daily (oats, beans, psyllium husk)
  • Exercise 150+ minutes/week — even walking helps
  • Consider plant sterols (2g/day shown to reduce LDL by 10%)

To raise HDL:

  • Regular aerobic exercise (strongest evidence)
  • Replace trans fats with monounsaturated fats (olive oil, avocados)
  • Moderate alcohol (1 drink/day) — but don't start drinking for this reason
  • Quit smoking (HDL rises within weeks)

To lower Triglycerides:

  • Cut added sugar and refined carbs — this is the #1 lever
  • Omega-3 fish oil (2–4g/day EPA+DHA)
  • Lose excess weight (even 5–10 lbs makes a measurable difference)
  • Limit alcohol (triglycerides are very sensitive to alcohol intake)

When to Retest

After making dietary changes, retest in 3 months. That's enough time for lifestyle interventions to show in your lipid panel. If numbers haven't moved after 6 months of consistent effort, talk to your doctor about whether medication (like statins) makes sense for your risk profile.

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