boiling eggshells and using them for joint or bone health. The idea comes from the fact that eggshells are mostly calcium carbonate, which contains calcium.
What people typically do
Wash eggshells thoroughly.
Boil them for about 10 minutes to help sanitize them.
Dry them completely.
Grind them into a very fine powder.
Add a small amount to food or drinks.
Does it help?
