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Eggshells are one of those kitchen wastes that we usually throw away without even thinking about it.
However, many people do not know that these “leftovers” are actually a valuable source of nutrients, both for human and plant health.
Reusing it not only reduces the amount of waste, but also offers a natural and economical way to get real benefit from it.
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Health Benefits
Eggshells contain approximately 90% calcium carbonate, a mineral essential for strong bones and teeth. After proper disinfection and grinding, they can be consumed in small quantities as a natural supplement. To do this, the shells are boiled for about 5 minutes, dried in the sun or oven, and then ground into a fine powder.
