Eating Boiled and Ground Eggshells: Why It’s Not a Safe Calcium Source

The shell itself is harder to sterilize completely at home

Commercial eggshell powder intended for consumption undergoes industrial processing and testing that home kitchens cannot replicate

The bottom line: Home preparation doesn’t provide the same safety guarantees as regulated food manufacturing.

Poor Absorption Compared to Food Sources
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Your body absorbs calcium differently depending on the source. Even if eggshells contain calcium, your body may not use it effectively.

Calcium Source Absorption Rate Notes
Dairy (milk, yogurt, cheese) ~30-32% Gold standard for calcium absorption
Fortified plant

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