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.

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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.