A Nutrition Guide for Healthier Nails (Science-Backed & Practical)

Illustrated portrait of Emma Reed
Emma ReedTips Editor

Practical kitchen shortcuts, household tips and everyday how-to guides.

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Engaging Introduction

Let me tell you about the year my nails became a mystery.

I was in my early thirties, otherwise healthy, but my nails were a disaster. Peeling. Brittle. Ridged. They’d grow to a certain length and then just… crumble. I tried every expensive treatment—hardening polishes, biotin creams, gelatin soaks. Nothing worked.

I mentioned it to my doctor during a routine physical. She glanced at my hands, then at my chart, and asked a simple question: “How’s your iron?”

My iron was low. Not anemic-low, but low enough that

my body was prioritizing other tissues over my nails. She

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