Oregano oil bottle with dropper and oregano sprigs, text reads 'Oregano Oil for Immunity'.

Oregano Essential Oil Uses for Immunity: A Dietitian’s 25-Year Clinical Perspective

Oregano Essential Oil Uses for Immunity: A Dietitian’s 25-Year Clinical Perspective | The Healthy RD Heidi Moretti, MS, RD, CLT Registered Dietitian • 25+ Years Clinical Experience • Author, Cortisol Fix & Gut FixUpdated June 2026 — reflecting research published through early 2025 Oregano Essential Oil Uses for Immunity: A Dietitian’s 25-Year Clinical Perspective Oregano

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