Boil Eggshells and Say Goodbye to the… What’s The Truth?

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Separating Science from Hype in the Viral “Eggshell Remedy” Trend

In recent years, there’s been growing interest in natural and sustainable ways to improve health and wellness. Among these ideas, one that often circulates online is the belief that boiling eggshells can help prevent or treat disease. Videos show people drinking “eggshell tea,” adding powdered shells to smoothies, or using the boiled water as a tonic—with claims ranging from “strengthens bones” to “cures arthritis.”

But how much of that is true? Let’s take a closer look at what science and nutrition actually say.

⚠️ Important: This article is for educational purposes only. Do not consume eggshells or eggshell water as a medical treatment without consulting a healthcare provider.

🥚 What Happens When You Boil Eggshells?

Eggshells are composed of around 95% calcium carbonate, along with small amounts of protein and trace minerals like magnesium, phosphorus, and strontium. When you boil them, several things occur:

Process	What Happens	Why It Matters
Bacteria destruction	Heat kills Salmonella and other pathogens	Makes shells safer to handle or repurpose
Calcium leaching	Small amounts of calcium dissolve into the water	Creates mildly mineralized “eggshell water”
Membrane softening	The inner protein membrane becomes more pliable	May aid in grinding shells into powder
Structural change	Shells become more brittle after boiling	Easier to crush for powder or garden use