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Understand TG/ApoB Ratio

TG/ApoB Ratio

Heart & circulation markers

What the test generally measures, and what to ask about it.

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Updated Jul 13, 2026

What is TG/ApoB Ratio?

A calculated ratio comparing triglycerides to apolipoprotein B, explored as a marker of triglyceride-rich particles.

This is a calculated value: it divides your triglycerides by your apolipoprotein B (which marks the number of atherogenic particles) - TG divided by ApoB. It is studied as a rough indicator of how triglyceride-rich your cholesterol-carrying particles are, a higher ratio can be associated with more triglyceride-loaded particles seen in metabolic conditions. It is a research-level estimate, not a diagnosis.

This glossary entry is for informational purposes only and is not a substitute for professional medical advice. Read our Terms of Use.

References

Clinical "Cholesterol Levels: What You Need to Know (triglycerides)" MedlinePlus (NIH/NLM). medlineplus.gov/cholesterollevelswhatyouneedtoknow.html.

About our sources

Clinical / professional

Medical societies, specialty colleges, and professional associations whose consensus statements reflect clinical practice standards.

Peer-reviewed research

Original research articles and systematic reviews published in indexed journals and verified through PubMed or DOI.

History of updates

Published · Jul 13, 2026
First published, calculated index, formula + sources independently fact-checked.

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