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.
🥚 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:
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Process
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What Happens
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Why It Matters
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|---|---|---|
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Bacteria destruction
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Heat kills Salmonella and other pathogens
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Makes shells safer to handle or repurpose
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Calcium leaching
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Small amounts of calcium dissolve into the water
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Creates mildly mineralized “eggshell water”
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Membrane softening
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The inner protein membrane becomes more pliable
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May aid in grinding shells into powder
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Structural change
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Shells become more brittle after boiling
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Easier to crush for powder or garden use
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So yes—boiling makes eggshells cleaner and more useful. But that doesn’t mean they become medicine.
