Like most people, I thought that eggshells were garbage. Boy is my mind changed. Did you know that eggshells are 90% calcium? Stop wasting your money on expensive supplements and incorporate egg shells in to your diet. We all know how important calcium is to our diets, especially women as they get older. I know, it sounds weird and gross to eat eggshells, but they are wonderful methods to making them edible. Make sure you use organic eggs as they are more nutritious. Try it out before you judge! We've also included some non-edible uses for eggshells that you can use around your home and garden.