---
title: "Casein F78 IgG Test: What It Measures & What Results Mean"
description: "It measures IgG antibodies to casein (milk protein) to support food-sensitivity discussions, with easy ordering and Quest-based labs via Vitals Vault."
canonical: "https://www.vitalsvault.com/biomarkers/casein-f78-igg"
last-updated: 2026-08-22
---

# Casein F78 IgG Test: What It Measures & What Results Mean

> It measures IgG antibodies to casein (milk protein) to support food-sensitivity discussions, with easy ordering and Quest-based labs via Vitals Vault.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/casein-f78-igg
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