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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.
The resulting powder can be added to juices, smoothies, or soups to provide the body with extra calcium. Some studies show that the calcium in eggshells is as well absorbed as that in dietary supplements, making it a natural way to prevent osteoporosis and strengthen bones.