Eggshells are one of the cheapest and most effective sources of calcium. You can make your own eggshell supplements at home or buy pre-made eggshell powder in health food shops. Getting enough dietary ...
What’s in an eggshell? Rich in calcium and minerals, this part of the breakfast staple most of us routinely throw away is a resource useful for everything from garden fertiliser to DIY toothpaste and ...
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