This makes the shells safe to handle or use in other ways.
Some calcium leaches into the water.
This is why “eggshell tea” or eggshell water is sometimes used as a natural calcium source for plants or even as a supplement after proper preparation.
So yes—boiling makes eggshells cleaner and more useful, but that doesn’t mean they become a medicine.
Can Boiling Eggshells Cure or Prevent Disease?
The short answer: no, not directly.
