---
title: "NADH: what it is and how it differs from NAD+"
description: "NADH is the reduced form of NAD, while NAD+ is the oxidized form. This guide explains what that means for supplements and safety."
canonical: "https://www.vitalsvault.com/treatment-learn/nad-nadh-difference-supplements"
last-updated: 2026-08-22
---

# NADH: what it is and how it differs from NAD+

> NADH is the reduced form of NAD, while NAD+ is the oxidized form. This guide explains what that means for supplements and safety.

---

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