---
title: "Vitamin B2 (Riboflavin) Test: What It Measures"
description: "It measures your riboflavin (vitamin B2) status to help explain deficiency risk and guide follow-up, with easy ordering through Vitals Vault/Quest."
canonical: "https://www.vitalsvault.com/biomarkers/vitamin-b2-riboflavin"
last-updated: 2026-08-22
---

# Vitamin B2 (Riboflavin) Test: What It Measures

> It measures your riboflavin (vitamin B2) status to help explain deficiency risk and guide follow-up, with easy ordering through Vitals Vault/Quest.

---

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