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This might sound ridiculous but by disposing eggshells, we have deprived ourselves of many health benefits. This has been proven by scientific studies which have overtime reported that powdered eggshells can be a useful source of dietary calcium.

A 2003 review article in The International Journal of Clinical Pharmacology Research said that human and animal studies had found that a preparation of ground eggshells was a natural source of calcium and other elements, like strontium and fluorine.

“The bioavailability of calcium from this source, as tested in piglets, was similar or better than that of food-grade purified calcium carbonate,” the authors wrote.

Also, Argentine study published in The International Journal of Food Science and Nutrition found that the shell of a single chicken egg contained about two grams of calcium, roughly twice the average daily adult requirement. The researchers also found that eggshell powder prepared at home could be added to other foods, like bread, pizza or spaghetti, with no change in flavor and only minor changes in texture.


As a matter of fact, egg shells are probably the best natural source of calcium and it is easier for the body to digest and absorb. Egg shells are healthy and balanced calcium, thanks to the trace amounts of other minerals.

Namely, the calcium found in egg shells is the same calcium which our bones and teeth are made of. Not only is calcium needed for healthy bones, it is needed for the muscles and nerves as well.

As mentioned above, the powder from eggshells is easily absorbed and this is also confirmed by several studies conducted in the US National Institutes of Health. In addition, it reduces blood pressure, lowers cholesterol levels, and of course, it strengthens the bones.

Only half a tablespoon of eggs shells powder provides about 90 percent of the recommended daily intake for an adult, as it contains about 1000-1,500 mg calcium.


- First, boil the eggs for about ten minutes in order to eliminate the detrimental bacteria.
– Let them cool.
– Crush them so that you get a powder.
– Store the powder in a previously sterilized jar.
– In order to use this powder as a natural calcium supplement, simply add it in smoothies or cereals.


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