Although I get a decent amount of calcium in my diet through milk and other dairy products, I recently explored other options to supplement it in my diet.
Egg shells came up as an option, and I found nostr:npub1kyk7ac33apd7cx0nun3laevf84zfhr8pt8kj4h8v7cpx9t72d4gqkyea0g ‘s YouTube video on how to process your own egg shells. I have a bunch of egg shells in my freezer, and I just turned on the oven to dry them out.