Eggshells are among the kitchen waste we usually throw away thoughtlessly.
However, many people do not realize that these “leftovers” are actually a valuable source of nutrients for both human and plant health.
Reusing them not only reduces waste but also provides a natural and economical way to reap real benefits.
Health Benefits
Eggshells contain about 90% calcium carbonate, a mineral that is important for strong bones and teeth. After proper disinfection and grinding, they can be consumed in small amounts as a natural dietary supplement. To do this, the shells are boiled for about 5 minutes, dried in the sun or in an oven, and then ground into a fine powder.
The resulting powder can be added to juices, smoothies, or soups to provide the body with additional calcium. Some studies show that the calcium in eggshells is absorbed just as well as in supplements, making it a natural way to prevent osteoporosis and strengthen bones.
In addition to calcium, the shells also contain traces of magnesium, phosphorus and zinc, minerals that also contribute to the proper functioning of the body.
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