---
title: "TyG Index Test: Insulin Resistance Marker, Formula"
description: "The TyG Index estimates insulin resistance using fasting triglycerides and glucose, and you can order it through Vitals Vault with Quest labs."
canonical: "https://www.vitalsvault.com/biomarkers/tyg-index"
last-updated: 2026-08-22
---

# TyG Index Test: Insulin Resistance Marker, Formula

> The TyG Index estimates insulin resistance using fasting triglycerides and glucose, and you can order it through Vitals Vault with Quest labs.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/tyg-index
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