---
title: "Glucose Tolerance Test (Postprandial 1 Hour)"
description: "It measures your 1-hour blood sugar response after glucose to flag early insulin issues, with easy ordering and clear results through Vitals Vault / Quest."
canonical: "https://www.vitalsvault.com/biomarkers/glucose-tolerance-test-postprandial-1-hour"
last-updated: 2026-08-22
---

# Glucose Tolerance Test (Postprandial 1 Hour)

> It measures your 1-hour blood sugar response after glucose to flag early insulin issues, with easy ordering and clear results through Vitals Vault / Quest.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/glucose-tolerance-test-postprandial-1-hour
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