---
title: "Vitamin A (Retinol) Test: What It Measures"
description: "It measures vitamin A status in your blood to help assess deficiency or excess; order through Vitals Vault with Quest labs and PocketMD support."
canonical: "https://www.vitalsvault.com/biomarkers/vitamin-a-retinol"
last-updated: 2026-08-22
---

# Vitamin A (Retinol) Test: What It Measures

> It measures vitamin A status in your blood to help assess deficiency or excess; order through Vitals Vault with Quest labs and PocketMD support.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/vitamin-a-retinol
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