All lab markers

Heart & metabolic

ApoB

The count of cholesterol particles that can enter an artery wall — a better risk read than LDL alone. Higher results are the ones to watch. A common adult reference interval is 0–100 mg/dL.

Typical adult range

Reference interval
0–100 mg/dL
Often-cited tighter window
0–80 mg/dL

Atherogenic particle count. Your own lab's printed range is the one that applies to your result.

What commonly moves it

  • Insulin resistanceDrives small dense LDL, triglycerides, and inflammatory tone.
  • Estrogen decline / HRT gapFalling estrogen can unmask thyroid autoimmunity and shift lipids.

What it can affect downstream

LDL Particle Number

These are commonly described physiological relationships, shared for education. They are not a diagnosis and cannot account for your medications, history, or symptoms — discuss your results with a licensed clinician.

Watching ApoB over time?

Dose Compass charts each draw, flags meaningful moves, and helps you prepare questions for your clinician.

Start tracking