later adulthood.
What Makes Eggshells Interesting?
An eggshell may look like ordinary kitchen waste, but chemically it is largely calcium carbonate.
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Once properly cleaned, heat-treated, completely dried, and ground into an extremely fine powder, eggshells provide a concentrated source of calcium.
This doesn’t automatically make them better than milk, yogurt, cheese, calcium-fortified foods, leafy vegetables, canned fish with edible bones, or conventional calcium supplements.
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It simply means that something commonly discarded contains a nutrient with genuine biological importance.
And that makes eggshells surprisingly interesting from a nutritional perspective.
