Don't throw away the eggshells organic eggs), just grind them in a mortar - pure calcium. I use it as an additive to the food for my dogs. But it is also good for people instead of calcium pill.

Amplifying Impact
Don't throw away the eggshells organic eggs), just grind them in a mortar - pure calcium. I use it as an additive to the food for my dogs. But it is also good for people instead of calcium pill.
Great idea. I just put them in the compost.