---
type: Article
title: "Vitamin D for Professionals — clinical research review"
description: "The marker for vitamin D status is 25-hydroxyvitamin-D [25(OH)D], a metabolite of vitamin D3. Review of measurement methods, reference ranges, and interpretation."
resource: "https://bavida.com/t/y5w0pdb4jodn/"
locale: en
published: "2026-04-22T17:14:10.177Z"
timestamp: "2026-07-12T19:10:04.451Z"
tags:
  - "vitamin-d"
  - "vitamins"
---

# Vitamin D for Professionals — clinical research review

The marker for vitamin D status is 25-hydroxyvitamin-D [25(OH)D], a metabolite of vitamin D3. Review of measurement methods, reference ranges, and interpretation.

**Contents**

- Sun and UVB Exposure

Full text: https://bavida.com/t/y5w0pdb4jodn/