7 Common Things You Never Knew You Can Eat Also

 Eggshells

A majority of people who eat eggs almost instantly discard the shells. The next time you are about to dump those eggshells into the dustbin, please consider this – they are very much edible and nutritious. Experts at the University of Florida’s Institute of Food and Agricultural Sciences say that a single eggshell contains about 2.2 grams of calcium.

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