---
title: "Sex Hormone Binding Globulin (SHBG) Test: What It Measures"
description: "It measures SHBG, a protein that controls how much testosterone and estrogen are available; order through Vitals Vault with Quest labs and PocketMD."
canonical: "https://www.vitalsvault.com/biomarkers/sex-hormone-binding-globulin-shbg"
last-updated: 2026-08-22
---

# Sex Hormone Binding Globulin (SHBG) Test: What It Measures

> It measures SHBG, a protein that controls how much testosterone and estrogen are available; order through Vitals Vault with Quest labs and PocketMD.

---

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